Home / 18,633.10-25,700.65-12,654.38

Finding the Fourth Proportional to 18,633.10, 25,700.65 and 12,654.38

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Solution

The fourth proportional to 18,633.10, 25,700.65 and 12,654.38 is: 17,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.10 : 25,700.65 = 12,654.38 : x
  2. Step 2: Convert to fraction form
    18,633.10/25,700.65 = 12,654.38/x
  3. Step 3: Cross multiply
    18,633.10x = 25,700.65 × 12,654.38
  4. Step 4: Simplify right side
    18,633.10x = 325,225,791.35
  5. Step 5: Solve for x
    x = 325,225,791.35/18,633.10
  6. Step 6: Final answer
    x = 17,454.20

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Similar ratio
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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.