Home / 18,033.28-24,885.78-9,966.90

Finding the Fourth Proportional to 18,033.28, 24,885.78 and 9,966.90

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Solution

The fourth proportional to 18,033.28, 24,885.78 and 9,966.90 is: 13,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.28 : 24,885.78 = 9,966.90 : x
  2. Step 2: Convert to fraction form
    18,033.28/24,885.78 = 9,966.90/x
  3. Step 3: Cross multiply
    18,033.28x = 24,885.78 × 9,966.90
  4. Step 4: Simplify right side
    18,033.28x = 248,034,052.71
  5. Step 5: Solve for x
    x = 248,034,052.71/18,033.28
  6. Step 6: Final answer
    x = 13,754.24

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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.