Home / 16,913.04-23,340.18-9,358.98

Finding the Fourth Proportional to 16,913.04, 23,340.18 and 9,358.98

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Solution

The fourth proportional to 16,913.04, 23,340.18 and 9,358.98 is: 12,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.04 : 23,340.18 = 9,358.98 : x
  2. Step 2: Convert to fraction form
    16,913.04/23,340.18 = 9,358.98/x
  3. Step 3: Cross multiply
    16,913.04x = 23,340.18 × 9,358.98
  4. Step 4: Simplify right side
    16,913.04x = 218,440,277.82
  5. Step 5: Solve for x
    x = 218,440,277.82/16,913.04
  6. Step 6: Final answer
    x = 12,915.49

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Half scale
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Double scale
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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.