Home / 22,750.48-31,382.40-15,676.48

Finding the Fourth Proportional to 22,750.48, 31,382.40 and 15,676.48

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Solution

The fourth proportional to 22,750.48, 31,382.40 and 15,676.48 is: 21,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.48 : 31,382.40 = 15,676.48 : x
  2. Step 2: Convert to fraction form
    22,750.48/31,382.40 = 15,676.48/x
  3. Step 3: Cross multiply
    22,750.48x = 31,382.40 × 15,676.48
  4. Step 4: Simplify right side
    22,750.48x = 491,965,565.95
  5. Step 5: Solve for x
    x = 491,965,565.95/22,750.48
  6. Step 6: Final answer
    x = 21,624.40

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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.