Home / 24,921.65-34,391.78-13,591.12

Finding the Fourth Proportional to 24,921.65, 34,391.78 and 13,591.12

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Solution

The fourth proportional to 24,921.65, 34,391.78 and 13,591.12 is: 18,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,921.65 : 34,391.78 = 13,591.12 : x
  2. Step 2: Convert to fraction form
    24,921.65/34,391.78 = 13,591.12/x
  3. Step 3: Cross multiply
    24,921.65x = 34,391.78 × 13,591.12
  4. Step 4: Simplify right side
    24,921.65x = 467,422,808.99
  5. Step 5: Solve for x
    x = 467,422,808.99/24,921.65
  6. Step 6: Final answer
    x = 18,755.69

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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.