Home / 19,565.20-29,353.20-7,886.62

Finding the Fourth Proportional to 19,565.20, 29,353.20 and 7,886.62

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Solution

The fourth proportional to 19,565.20, 29,353.20 and 7,886.62 is: 11,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.20 : 29,353.20 = 7,886.62 : x
  2. Step 2: Convert to fraction form
    19,565.20/29,353.20 = 7,886.62/x
  3. Step 3: Cross multiply
    19,565.20x = 29,353.20 × 7,886.62
  4. Step 4: Simplify right side
    19,565.20x = 231,497,534.18
  5. Step 5: Solve for x
    x = 231,497,534.18/19,565.20
  6. Step 6: Final answer
    x = 11,832.11

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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.