Home / 19,565.88-29,351.28-6,414.72

Finding the Fourth Proportional to 19,565.88, 29,351.28 and 6,414.72

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Solution

The fourth proportional to 19,565.88, 29,351.28 and 6,414.72 is: 9,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.88 : 29,351.28 = 6,414.72 : x
  2. Step 2: Convert to fraction form
    19,565.88/29,351.28 = 6,414.72/x
  3. Step 3: Cross multiply
    19,565.88x = 29,351.28 × 6,414.72
  4. Step 4: Simplify right side
    19,565.88x = 188,280,242.84
  5. Step 5: Solve for x
    x = 188,280,242.84/19,565.88
  6. Step 6: Final answer
    x = 9,622.89

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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.