Home / 18,002.28-24,855.14-11,631.72

Finding the Fourth Proportional to 18,002.28, 24,855.14 and 11,631.72

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Solution

The fourth proportional to 18,002.28, 24,855.14 and 11,631.72 is: 16,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.28 : 24,855.14 = 11,631.72 : x
  2. Step 2: Convert to fraction form
    18,002.28/24,855.14 = 11,631.72/x
  3. Step 3: Cross multiply
    18,002.28x = 24,855.14 × 11,631.72
  4. Step 4: Simplify right side
    18,002.28x = 289,108,029.04
  5. Step 5: Solve for x
    x = 289,108,029.04/18,002.28
  6. Step 6: Final answer
    x = 16,059.52

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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.