Home / 19,387.17-29,091.73-8,292.87

Finding the Fourth Proportional to 19,387.17, 29,091.73 and 8,292.87

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Solution

The fourth proportional to 19,387.17, 29,091.73 and 8,292.87 is: 12,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.17 : 29,091.73 = 8,292.87 : x
  2. Step 2: Convert to fraction form
    19,387.17/29,091.73 = 8,292.87/x
  3. Step 3: Cross multiply
    19,387.17x = 29,091.73 × 8,292.87
  4. Step 4: Simplify right side
    19,387.17x = 241,253,934.97
  5. Step 5: Solve for x
    x = 241,253,934.97/19,387.17
  6. Step 6: Final answer
    x = 12,444.00

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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.