Home / 27,562.68-38,040.36-19,930.74

Finding the Fourth Proportional to 27,562.68, 38,040.36 and 19,930.74

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Solution

The fourth proportional to 27,562.68, 38,040.36 and 19,930.74 is: 27,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.68 : 38,040.36 = 19,930.74 : x
  2. Step 2: Convert to fraction form
    27,562.68/38,040.36 = 19,930.74/x
  3. Step 3: Cross multiply
    27,562.68x = 38,040.36 × 19,930.74
  4. Step 4: Simplify right side
    27,562.68x = 758,172,524.67
  5. Step 5: Solve for x
    x = 758,172,524.67/27,562.68
  6. Step 6: Final answer
    x = 27,507.21

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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.