Home / 38,926.38-58,397.76-12,629.04

Finding the Fourth Proportional to 38,926.38, 58,397.76 and 12,629.04

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Solution

The fourth proportional to 38,926.38, 58,397.76 and 12,629.04 is: 18,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,926.38 : 58,397.76 = 12,629.04 : x
  2. Step 2: Convert to fraction form
    38,926.38/58,397.76 = 12,629.04/x
  3. Step 3: Cross multiply
    38,926.38x = 58,397.76 × 12,629.04
  4. Step 4: Simplify right side
    38,926.38x = 737,507,646.95
  5. Step 5: Solve for x
    x = 737,507,646.95/38,926.38
  6. Step 6: Final answer
    x = 18,946.22

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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.