Home / 38,717.33-58,070.52-12,418.65

Finding the Fourth Proportional to 38,717.33, 58,070.52 and 12,418.65

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Solution

The fourth proportional to 38,717.33, 58,070.52 and 12,418.65 is: 18,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.33 : 58,070.52 = 12,418.65 : x
  2. Step 2: Convert to fraction form
    38,717.33/58,070.52 = 12,418.65/x
  3. Step 3: Cross multiply
    38,717.33x = 58,070.52 × 12,418.65
  4. Step 4: Simplify right side
    38,717.33x = 721,157,463.20
  5. Step 5: Solve for x
    x = 721,157,463.20/38,717.33
  6. Step 6: Final answer
    x = 18,626.22

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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.