Home / 27,691.32-38,200.74-18,127.02

Finding the Fourth Proportional to 27,691.32, 38,200.74 and 18,127.02

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Solution

The fourth proportional to 27,691.32, 38,200.74 and 18,127.02 is: 25,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.32 : 38,200.74 = 18,127.02 : x
  2. Step 2: Convert to fraction form
    27,691.32/38,200.74 = 18,127.02/x
  3. Step 3: Cross multiply
    27,691.32x = 38,200.74 × 18,127.02
  4. Step 4: Simplify right side
    27,691.32x = 692,465,577.99
  5. Step 5: Solve for x
    x = 692,465,577.99/27,691.32
  6. Step 6: Final answer
    x = 25,006.59

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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.