Home / 18,139.20-27,306.60-16,506.24

Finding the Fourth Proportional to 18,139.20, 27,306.60 and 16,506.24

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Solution

The fourth proportional to 18,139.20, 27,306.60 and 16,506.24 is: 24,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.20 : 27,306.60 = 16,506.24 : x
  2. Step 2: Convert to fraction form
    18,139.20/27,306.60 = 16,506.24/x
  3. Step 3: Cross multiply
    18,139.20x = 27,306.60 × 16,506.24
  4. Step 4: Simplify right side
    18,139.20x = 450,729,293.18
  5. Step 5: Solve for x
    x = 450,729,293.18/18,139.20
  6. Step 6: Final answer
    x = 24,848.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.