Home / 20,062.08-27,687.42-17,087.76

Finding the Fourth Proportional to 20,062.08, 27,687.42 and 17,087.76

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Solution

The fourth proportional to 20,062.08, 27,687.42 and 17,087.76 is: 23,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.08 : 27,687.42 = 17,087.76 : x
  2. Step 2: Convert to fraction form
    20,062.08/27,687.42 = 17,087.76/x
  3. Step 3: Cross multiply
    20,062.08x = 27,687.42 × 17,087.76
  4. Step 4: Simplify right side
    20,062.08x = 473,115,987.98
  5. Step 5: Solve for x
    x = 473,115,987.98/20,062.08
  6. Step 6: Final answer
    x = 23,582.60

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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.