Home / 16,805.76-23,192.45-9,252.55

Finding the Fourth Proportional to 16,805.76, 23,192.45 and 9,252.55

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Solution

The fourth proportional to 16,805.76, 23,192.45 and 9,252.55 is: 12,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.76 : 23,192.45 = 9,252.55 : x
  2. Step 2: Convert to fraction form
    16,805.76/23,192.45 = 9,252.55/x
  3. Step 3: Cross multiply
    16,805.76x = 23,192.45 × 9,252.55
  4. Step 4: Simplify right side
    16,805.76x = 214,589,303.25
  5. Step 5: Solve for x
    x = 214,589,303.25/16,805.76
  6. Step 6: Final answer
    x = 12,768.79

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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.