Home / 25,294.98-34,921.06-15,225.91

Finding the Fourth Proportional to 25,294.98, 34,921.06 and 15,225.91

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Solution

The fourth proportional to 25,294.98, 34,921.06 and 15,225.91 is: 21,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.98 : 34,921.06 = 15,225.91 : x
  2. Step 2: Convert to fraction form
    25,294.98/34,921.06 = 15,225.91/x
  3. Step 3: Cross multiply
    25,294.98x = 34,921.06 × 15,225.91
  4. Step 4: Simplify right side
    25,294.98x = 531,704,791.30
  5. Step 5: Solve for x
    x = 531,704,791.30/25,294.98
  6. Step 6: Final answer
    x = 21,020.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.