Home / 27,611.43-38,104.20-15,036.18

Finding the Fourth Proportional to 27,611.43, 38,104.20 and 15,036.18

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Solution

The fourth proportional to 27,611.43, 38,104.20 and 15,036.18 is: 20,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.43 : 38,104.20 = 15,036.18 : x
  2. Step 2: Convert to fraction form
    27,611.43/38,104.20 = 15,036.18/x
  3. Step 3: Cross multiply
    27,611.43x = 38,104.20 × 15,036.18
  4. Step 4: Simplify right side
    27,611.43x = 572,941,609.96
  5. Step 5: Solve for x
    x = 572,941,609.96/27,611.43
  6. Step 6: Final answer
    x = 20,750.16

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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.