Home / 24,721.53-34,115.83-13,391.05

Finding the Fourth Proportional to 24,721.53, 34,115.83 and 13,391.05

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Solution

The fourth proportional to 24,721.53, 34,115.83 and 13,391.05 is: 18,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.53 : 34,115.83 = 13,391.05 : x
  2. Step 2: Convert to fraction form
    24,721.53/34,115.83 = 13,391.05/x
  3. Step 3: Cross multiply
    24,721.53x = 34,115.83 × 13,391.05
  4. Step 4: Simplify right side
    24,721.53x = 456,846,709.90
  5. Step 5: Solve for x
    x = 456,846,709.90/24,721.53
  6. Step 6: Final answer
    x = 18,479.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.