Home / 22,155.25-30,556.96-14,198.22

Finding the Fourth Proportional to 22,155.25, 30,556.96 and 14,198.22

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Solution

The fourth proportional to 22,155.25, 30,556.96 and 14,198.22 is: 19,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.25 : 30,556.96 = 14,198.22 : x
  2. Step 2: Convert to fraction form
    22,155.25/30,556.96 = 14,198.22/x
  3. Step 3: Cross multiply
    22,155.25x = 30,556.96 × 14,198.22
  4. Step 4: Simplify right side
    22,155.25x = 433,854,440.61
  5. Step 5: Solve for x
    x = 433,854,440.61/22,155.25
  6. Step 6: Final answer
    x = 19,582.47

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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.