Home / 22,765.92-31,398.40-19,117.88

Finding the Fourth Proportional to 22,765.92, 31,398.40 and 19,117.88

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Solution

The fourth proportional to 22,765.92, 31,398.40 and 19,117.88 is: 26,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.92 : 31,398.40 = 19,117.88 : x
  2. Step 2: Convert to fraction form
    22,765.92/31,398.40 = 19,117.88/x
  3. Step 3: Cross multiply
    22,765.92x = 31,398.40 × 19,117.88
  4. Step 4: Simplify right side
    22,765.92x = 600,270,843.39
  5. Step 5: Solve for x
    x = 600,270,843.39/22,765.92
  6. Step 6: Final answer
    x = 26,367.08

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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.