Home / 19,422.13-29,134.67-5,382.00

Finding the Fourth Proportional to 19,422.13, 29,134.67 and 5,382.00

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Solution

The fourth proportional to 19,422.13, 29,134.67 and 5,382.00 is: 8,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.13 : 29,134.67 = 5,382.00 : x
  2. Step 2: Convert to fraction form
    19,422.13/29,134.67 = 5,382.00/x
  3. Step 3: Cross multiply
    19,422.13x = 29,134.67 × 5,382.00
  4. Step 4: Simplify right side
    19,422.13x = 156,802,744.98
  5. Step 5: Solve for x
    x = 156,802,744.98/19,422.13
  6. Step 6: Final answer
    x = 8,073.40

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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.