Home / 25,670.52-38,515.32-15,695.73

Finding the Fourth Proportional to 25,670.52, 38,515.32 and 15,695.73

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Solution

The fourth proportional to 25,670.52, 38,515.32 and 15,695.73 is: 23,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.52 : 38,515.32 = 15,695.73 : x
  2. Step 2: Convert to fraction form
    25,670.52/38,515.32 = 15,695.73/x
  3. Step 3: Cross multiply
    25,670.52x = 38,515.32 × 15,695.73
  4. Step 4: Simplify right side
    25,670.52x = 604,526,063.58
  5. Step 5: Solve for x
    x = 604,526,063.58/25,670.52
  6. Step 6: Final answer
    x = 23,549.43

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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.