Home / 27,220.11-37,565.61-15,122.01

Finding the Fourth Proportional to 27,220.11, 37,565.61 and 15,122.01

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Solution

The fourth proportional to 27,220.11, 37,565.61 and 15,122.01 is: 20,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.11 : 37,565.61 = 15,122.01 : x
  2. Step 2: Convert to fraction form
    27,220.11/37,565.61 = 15,122.01/x
  3. Step 3: Cross multiply
    27,220.11x = 37,565.61 × 15,122.01
  4. Step 4: Simplify right side
    27,220.11x = 568,067,530.08
  5. Step 5: Solve for x
    x = 568,067,530.08/27,220.11
  6. Step 6: Final answer
    x = 20,869.41

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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.