Home / 27,229.47-37,581.12-18,724.47

Finding the Fourth Proportional to 27,229.47, 37,581.12 and 18,724.47

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Solution

The fourth proportional to 27,229.47, 37,581.12 and 18,724.47 is: 25,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229.47 : 37,581.12 = 18,724.47 : x
  2. Step 2: Convert to fraction form
    27,229.47/37,581.12 = 18,724.47/x
  3. Step 3: Cross multiply
    27,229.47x = 37,581.12 × 18,724.47
  4. Step 4: Simplify right side
    27,229.47x = 703,686,554.01
  5. Step 5: Solve for x
    x = 703,686,554.01/27,229.47
  6. Step 6: Final answer
    x = 25,842.83

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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.