Home / 15,471.62-21,345.96-9,096.18

Finding the Fourth Proportional to 15,471.62, 21,345.96 and 9,096.18

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Solution

The fourth proportional to 15,471.62, 21,345.96 and 9,096.18 is: 12,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.62 : 21,345.96 = 9,096.18 : x
  2. Step 2: Convert to fraction form
    15,471.62/21,345.96 = 9,096.18/x
  3. Step 3: Cross multiply
    15,471.62x = 21,345.96 × 9,096.18
  4. Step 4: Simplify right side
    15,471.62x = 194,166,694.43
  5. Step 5: Solve for x
    x = 194,166,694.43/15,471.62
  6. Step 6: Final answer
    x = 12,549.86

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Half scale
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Double scale
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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.