Home / 17,631.60-24,331.20-10,082.40

Finding the Fourth Proportional to 17,631.60, 24,331.20 and 10,082.40

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Solution

The fourth proportional to 17,631.60, 24,331.20 and 10,082.40 is: 13,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.60 : 24,331.20 = 10,082.40 : x
  2. Step 2: Convert to fraction form
    17,631.60/24,331.20 = 10,082.40/x
  3. Step 3: Cross multiply
    17,631.60x = 24,331.20 × 10,082.40
  4. Step 4: Simplify right side
    17,631.60x = 245,316,890.88
  5. Step 5: Solve for x
    x = 245,316,890.88/17,631.60
  6. Step 6: Final answer
    x = 13,913.48

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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.