Home / 22,291.97-30,763.26-13,339.85

Finding the Fourth Proportional to 22,291.97, 30,763.26 and 13,339.85

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Solution

The fourth proportional to 22,291.97, 30,763.26 and 13,339.85 is: 18,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.97 : 30,763.26 = 13,339.85 : x
  2. Step 2: Convert to fraction form
    22,291.97/30,763.26 = 13,339.85/x
  3. Step 3: Cross multiply
    22,291.97x = 30,763.26 × 13,339.85
  4. Step 4: Simplify right side
    22,291.97x = 410,377,053.40
  5. Step 5: Solve for x
    x = 410,377,053.40/22,291.97
  6. Step 6: Final answer
    x = 18,409.19

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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.