Home / 27,122.43-40,683.92-13,079.19

Finding the Fourth Proportional to 27,122.43, 40,683.92 and 13,079.19

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Solution

The fourth proportional to 27,122.43, 40,683.92 and 13,079.19 is: 19,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.43 : 40,683.92 = 13,079.19 : x
  2. Step 2: Convert to fraction form
    27,122.43/40,683.92 = 13,079.19/x
  3. Step 3: Cross multiply
    27,122.43x = 40,683.92 × 13,079.19
  4. Step 4: Simplify right side
    27,122.43x = 532,112,654.23
  5. Step 5: Solve for x
    x = 532,112,654.23/27,122.43
  6. Step 6: Final answer
    x = 19,618.92

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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.