Home / 25,506.88-38,275.44-13,819.84

Finding the Fourth Proportional to 25,506.88, 38,275.44 and 13,819.84

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Solution

The fourth proportional to 25,506.88, 38,275.44 and 13,819.84 is: 20,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,506.88 : 38,275.44 = 13,819.84 : x
  2. Step 2: Convert to fraction form
    25,506.88/38,275.44 = 13,819.84/x
  3. Step 3: Cross multiply
    25,506.88x = 38,275.44 × 13,819.84
  4. Step 4: Simplify right side
    25,506.88x = 528,960,456.73
  5. Step 5: Solve for x
    x = 528,960,456.73/25,506.88
  6. Step 6: Final answer
    x = 20,737.95

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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.