Home / 16,621.20-24,895.17-13,738.95

Finding the Fourth Proportional to 16,621.20, 24,895.17 and 13,738.95

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Solution

The fourth proportional to 16,621.20, 24,895.17 and 13,738.95 is: 20,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.20 : 24,895.17 = 13,738.95 : x
  2. Step 2: Convert to fraction form
    16,621.20/24,895.17 = 13,738.95/x
  3. Step 3: Cross multiply
    16,621.20x = 24,895.17 × 13,738.95
  4. Step 4: Simplify right side
    16,621.20x = 342,033,495.87
  5. Step 5: Solve for x
    x = 342,033,495.87/16,621.20
  6. Step 6: Final answer
    x = 20,578.15

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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.