Home / 24,990.28-34,485.42-13,660.36

Finding the Fourth Proportional to 24,990.28, 34,485.42 and 13,660.36

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Solution

The fourth proportional to 24,990.28, 34,485.42 and 13,660.36 is: 18,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,990.28 : 34,485.42 = 13,660.36 : x
  2. Step 2: Convert to fraction form
    24,990.28/34,485.42 = 13,660.36/x
  3. Step 3: Cross multiply
    24,990.28x = 34,485.42 × 13,660.36
  4. Step 4: Simplify right side
    24,990.28x = 471,083,251.95
  5. Step 5: Solve for x
    x = 471,083,251.95/24,990.28
  6. Step 6: Final answer
    x = 18,850.66

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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.