Home / 18,229.20-25,158.08-10,675.06

Finding the Fourth Proportional to 18,229.20, 25,158.08 and 10,675.06

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Solution

The fourth proportional to 18,229.20, 25,158.08 and 10,675.06 is: 14,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.20 : 25,158.08 = 10,675.06 : x
  2. Step 2: Convert to fraction form
    18,229.20/25,158.08 = 10,675.06/x
  3. Step 3: Cross multiply
    18,229.20x = 25,158.08 × 10,675.06
  4. Step 4: Simplify right side
    18,229.20x = 268,564,013.48
  5. Step 5: Solve for x
    x = 268,564,013.48/18,229.20
  6. Step 6: Final answer
    x = 14,732.63

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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.