Home / 22,716.86-31,352.27-13,764.33

Finding the Fourth Proportional to 22,716.86, 31,352.27 and 13,764.33

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Solution

The fourth proportional to 22,716.86, 31,352.27 and 13,764.33 is: 18,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.86 : 31,352.27 = 13,764.33 : x
  2. Step 2: Convert to fraction form
    22,716.86/31,352.27 = 13,764.33/x
  3. Step 3: Cross multiply
    22,716.86x = 31,352.27 × 13,764.33
  4. Step 4: Simplify right side
    22,716.86x = 431,542,921.71
  5. Step 5: Solve for x
    x = 431,542,921.71/22,716.86
  6. Step 6: Final answer
    x = 18,996.60

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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.