Home / 31,787.28-47,685.38-9,598.14

Finding the Fourth Proportional to 31,787.28, 47,685.38 and 9,598.14

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Solution

The fourth proportional to 31,787.28, 47,685.38 and 9,598.14 is: 14,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.28 : 47,685.38 = 9,598.14 : x
  2. Step 2: Convert to fraction form
    31,787.28/47,685.38 = 9,598.14/x
  3. Step 3: Cross multiply
    31,787.28x = 47,685.38 × 9,598.14
  4. Step 4: Simplify right side
    31,787.28x = 457,690,905.20
  5. Step 5: Solve for x
    x = 457,690,905.20/31,787.28
  6. Step 6: Final answer
    x = 14,398.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.