Home / 16,830.84-23,225.52-9,276.76

Finding the Fourth Proportional to 16,830.84, 23,225.52 and 9,276.76

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Solution

The fourth proportional to 16,830.84, 23,225.52 and 9,276.76 is: 12,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.84 : 23,225.52 = 9,276.76 : x
  2. Step 2: Convert to fraction form
    16,830.84/23,225.52 = 9,276.76/x
  3. Step 3: Cross multiply
    16,830.84x = 23,225.52 × 9,276.76
  4. Step 4: Simplify right side
    16,830.84x = 215,457,574.92
  5. Step 5: Solve for x
    x = 215,457,574.92/16,830.84
  6. Step 6: Final answer
    x = 12,801.36

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Find fourth proportional to 8,415.42, 11,612.76 and 4,638.38
Half scale
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Double scale
Find fourth proportional to 16,831.84, 23,226.90 and 9,277.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.