Home / 25,771.61-38,672.28-13,925.41

Finding the Fourth Proportional to 25,771.61, 38,672.28 and 13,925.41

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Solution

The fourth proportional to 25,771.61, 38,672.28 and 13,925.41 is: 20,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.61 : 38,672.28 = 13,925.41 : x
  2. Step 2: Convert to fraction form
    25,771.61/38,672.28 = 13,925.41/x
  3. Step 3: Cross multiply
    25,771.61x = 38,672.28 × 13,925.41
  4. Step 4: Simplify right side
    25,771.61x = 538,527,257.95
  5. Step 5: Solve for x
    x = 538,527,257.95/25,771.61
  6. Step 6: Final answer
    x = 20,896.14

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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.