Home / 25,531.84-38,309.15-13,045.29

Finding the Fourth Proportional to 25,531.84, 38,309.15 and 13,045.29

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Solution

The fourth proportional to 25,531.84, 38,309.15 and 13,045.29 is: 19,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.84 : 38,309.15 = 13,045.29 : x
  2. Step 2: Convert to fraction form
    25,531.84/38,309.15 = 13,045.29/x
  3. Step 3: Cross multiply
    25,531.84x = 38,309.15 × 13,045.29
  4. Step 4: Simplify right side
    25,531.84x = 499,753,971.40
  5. Step 5: Solve for x
    x = 499,753,971.40/25,531.84
  6. Step 6: Final answer
    x = 19,573.75

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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.