Home / 25,129.72-34,677.66-13,951

Finding the Fourth Proportional to 25,129.72, 34,677.66 and 13,951

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Solution

The fourth proportional to 25,129.72, 34,677.66 and 13,951 is: 19,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.72 : 34,677.66 = 13,951 : x
  2. Step 2: Convert to fraction form
    25,129.72/34,677.66 = 13,951/x
  3. Step 3: Cross multiply
    25,129.72x = 34,677.66 × 13,951
  4. Step 4: Simplify right side
    25,129.72x = 483,788,034.66
  5. Step 5: Solve for x
    x = 483,788,034.66/25,129.72
  6. Step 6: Final answer
    x = 19,251.63

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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.