Home / 20,807.28-31,213.92-6,016.32

Finding the Fourth Proportional to 20,807.28, 31,213.92 and 6,016.32

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Solution

The fourth proportional to 20,807.28, 31,213.92 and 6,016.32 is: 9,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,807.28 : 31,213.92 = 6,016.32 : x
  2. Step 2: Convert to fraction form
    20,807.28/31,213.92 = 6,016.32/x
  3. Step 3: Cross multiply
    20,807.28x = 31,213.92 × 6,016.32
  4. Step 4: Simplify right side
    20,807.28x = 187,792,931.17
  5. Step 5: Solve for x
    x = 187,792,931.17/20,807.28
  6. Step 6: Final answer
    x = 9,025.35

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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.