Home / 16,885.76-23,301.54-9,331.70

Finding the Fourth Proportional to 16,885.76, 23,301.54 and 9,331.70

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Solution

The fourth proportional to 16,885.76, 23,301.54 and 9,331.70 is: 12,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.76 : 23,301.54 = 9,331.70 : x
  2. Step 2: Convert to fraction form
    16,885.76/23,301.54 = 9,331.70/x
  3. Step 3: Cross multiply
    16,885.76x = 23,301.54 × 9,331.70
  4. Step 4: Simplify right side
    16,885.76x = 217,442,864.31
  5. Step 5: Solve for x
    x = 217,442,864.31/16,885.76
  6. Step 6: Final answer
    x = 12,877.30

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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.