Home / 19,472.81-29,188.15-7,773.17

Finding the Fourth Proportional to 19,472.81, 29,188.15 and 7,773.17

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Solution

The fourth proportional to 19,472.81, 29,188.15 and 7,773.17 is: 11,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.81 : 29,188.15 = 7,773.17 : x
  2. Step 2: Convert to fraction form
    19,472.81/29,188.15 = 7,773.17/x
  3. Step 3: Cross multiply
    19,472.81x = 29,188.15 × 7,773.17
  4. Step 4: Simplify right side
    19,472.81x = 226,884,267.13
  5. Step 5: Solve for x
    x = 226,884,267.13/19,472.81
  6. Step 6: Final answer
    x = 11,651.34

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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.