Home / 25,800.53-38,788.27-20,601.95

Finding the Fourth Proportional to 25,800.53, 38,788.27 and 20,601.95

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Solution

The fourth proportional to 25,800.53, 38,788.27 and 20,601.95 is: 30,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.53 : 38,788.27 = 20,601.95 : x
  2. Step 2: Convert to fraction form
    25,800.53/38,788.27 = 20,601.95/x
  3. Step 3: Cross multiply
    25,800.53x = 38,788.27 × 20,601.95
  4. Step 4: Simplify right side
    25,800.53x = 799,113,753.68
  5. Step 5: Solve for x
    x = 799,113,753.68/25,800.53
  6. Step 6: Final answer
    x = 30,972.77

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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.