Home / 19,763.30-29,640.65-6,255.52

Finding the Fourth Proportional to 19,763.30, 29,640.65 and 6,255.52

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Solution

The fourth proportional to 19,763.30, 29,640.65 and 6,255.52 is: 9,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.30 : 29,640.65 = 6,255.52 : x
  2. Step 2: Convert to fraction form
    19,763.30/29,640.65 = 6,255.52/x
  3. Step 3: Cross multiply
    19,763.30x = 29,640.65 × 6,255.52
  4. Step 4: Simplify right side
    19,763.30x = 185,417,687.73
  5. Step 5: Solve for x
    x = 185,417,687.73/19,763.30
  6. Step 6: Final answer
    x = 9,381.92

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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.