Home / 25,758.38-38,646.08-10,979.73

Finding the Fourth Proportional to 25,758.38, 38,646.08 and 10,979.73

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Solution

The fourth proportional to 25,758.38, 38,646.08 and 10,979.73 is: 16,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.38 : 38,646.08 = 10,979.73 : x
  2. Step 2: Convert to fraction form
    25,758.38/38,646.08 = 10,979.73/x
  3. Step 3: Cross multiply
    25,758.38x = 38,646.08 × 10,979.73
  4. Step 4: Simplify right side
    25,758.38x = 424,323,523.96
  5. Step 5: Solve for x
    x = 424,323,523.96/25,758.38
  6. Step 6: Final answer
    x = 16,473.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.