Home / 25,115.73-37,672.66-10,129.31

Finding the Fourth Proportional to 25,115.73, 37,672.66 and 10,129.31

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Solution

The fourth proportional to 25,115.73, 37,672.66 and 10,129.31 is: 15,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.73 : 37,672.66 = 10,129.31 : x
  2. Step 2: Convert to fraction form
    25,115.73/37,672.66 = 10,129.31/x
  3. Step 3: Cross multiply
    25,115.73x = 37,672.66 × 10,129.31
  4. Step 4: Simplify right side
    25,115.73x = 381,598,051.66
  5. Step 5: Solve for x
    x = 381,598,051.66/25,115.73
  6. Step 6: Final answer
    x = 15,193.59

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1.5x scale

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.