Home / 22,135.86-33,212.10-13,257.43

Finding the Fourth Proportional to 22,135.86, 33,212.10 and 13,257.43

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Solution

The fourth proportional to 22,135.86, 33,212.10 and 13,257.43 is: 19,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.86 : 33,212.10 = 13,257.43 : x
  2. Step 2: Convert to fraction form
    22,135.86/33,212.10 = 13,257.43/x
  3. Step 3: Cross multiply
    22,135.86x = 33,212.10 × 13,257.43
  4. Step 4: Simplify right side
    22,135.86x = 440,307,253.82
  5. Step 5: Solve for x
    x = 440,307,253.82/22,135.86
  6. Step 6: Final answer
    x = 19,891.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.