Home / 19,532.72-29,278.40-6,381.52

Finding the Fourth Proportional to 19,532.72, 29,278.40 and 6,381.52

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Solution

The fourth proportional to 19,532.72, 29,278.40 and 6,381.52 is: 9,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.72 : 29,278.40 = 6,381.52 : x
  2. Step 2: Convert to fraction form
    19,532.72/29,278.40 = 6,381.52/x
  3. Step 3: Cross multiply
    19,532.72x = 29,278.40 × 6,381.52
  4. Step 4: Simplify right side
    19,532.72x = 186,840,695.17
  5. Step 5: Solve for x
    x = 186,840,695.17/19,532.72
  6. Step 6: Final answer
    x = 9,565.52

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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.