Home / 22,716.33-31,347.45-13,763.27

Finding the Fourth Proportional to 22,716.33, 31,347.45 and 13,763.27

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Solution

The fourth proportional to 22,716.33, 31,347.45 and 13,763.27 is: 18,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.33 : 31,347.45 = 13,763.27 : x
  2. Step 2: Convert to fraction form
    22,716.33/31,347.45 = 13,763.27/x
  3. Step 3: Cross multiply
    22,716.33x = 31,347.45 × 13,763.27
  4. Step 4: Simplify right side
    22,716.33x = 431,443,261.42
  5. Step 5: Solve for x
    x = 431,443,261.42/22,716.33
  6. Step 6: Final answer
    x = 18,992.65

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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.