Home / 25,732.74-38,606.40-13,261.86

Finding the Fourth Proportional to 25,732.74, 38,606.40 and 13,261.86

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Solution

The fourth proportional to 25,732.74, 38,606.40 and 13,261.86 is: 19,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,732.74 : 38,606.40 = 13,261.86 : x
  2. Step 2: Convert to fraction form
    25,732.74/38,606.40 = 13,261.86/x
  3. Step 3: Cross multiply
    25,732.74x = 38,606.40 × 13,261.86
  4. Step 4: Simplify right side
    25,732.74x = 511,992,671.90
  5. Step 5: Solve for x
    x = 511,992,671.90/25,732.74
  6. Step 6: Final answer
    x = 19,896.55

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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.