Home / 16,931.20-25,397.52-5,244.64

Finding the Fourth Proportional to 16,931.20, 25,397.52 and 5,244.64

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Solution

The fourth proportional to 16,931.20, 25,397.52 and 5,244.64 is: 7,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.20 : 25,397.52 = 5,244.64 : x
  2. Step 2: Convert to fraction form
    16,931.20/25,397.52 = 5,244.64/x
  3. Step 3: Cross multiply
    16,931.20x = 25,397.52 × 5,244.64
  4. Step 4: Simplify right side
    16,931.20x = 133,200,849.29
  5. Step 5: Solve for x
    x = 133,200,849.29/16,931.20
  6. Step 6: Final answer
    x = 7,867.18

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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.