Home / 22,766.76-31,418.28-13,335.39

Finding the Fourth Proportional to 22,766.76, 31,418.28 and 13,335.39

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Solution

The fourth proportional to 22,766.76, 31,418.28 and 13,335.39 is: 18,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,766.76 : 31,418.28 = 13,335.39 : x
  2. Step 2: Convert to fraction form
    22,766.76/31,418.28 = 13,335.39/x
  3. Step 3: Cross multiply
    22,766.76x = 31,418.28 × 13,335.39
  4. Step 4: Simplify right side
    22,766.76x = 418,975,016.93
  5. Step 5: Solve for x
    x = 418,975,016.93/22,766.76
  6. Step 6: Final answer
    x = 18,402.93

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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.