Home / 19,566.78-29,355.70-7,713.24

Finding the Fourth Proportional to 19,566.78, 29,355.70 and 7,713.24

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Solution

The fourth proportional to 19,566.78, 29,355.70 and 7,713.24 is: 11,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.78 : 29,355.70 = 7,713.24 : x
  2. Step 2: Convert to fraction form
    19,566.78/29,355.70 = 7,713.24/x
  3. Step 3: Cross multiply
    19,566.78x = 29,355.70 × 7,713.24
  4. Step 4: Simplify right side
    19,566.78x = 226,427,559.47
  5. Step 5: Solve for x
    x = 226,427,559.47/19,566.78
  6. Step 6: Final answer
    x = 11,572.04

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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.