Home / 22,240.87-30,691.50-13,293.31

Finding the Fourth Proportional to 22,240.87, 30,691.50 and 13,293.31

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Solution

The fourth proportional to 22,240.87, 30,691.50 and 13,293.31 is: 18,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.87 : 30,691.50 = 13,293.31 : x
  2. Step 2: Convert to fraction form
    22,240.87/30,691.50 = 13,293.31/x
  3. Step 3: Cross multiply
    22,240.87x = 30,691.50 × 13,293.31
  4. Step 4: Simplify right side
    22,240.87x = 407,991,623.87
  5. Step 5: Solve for x
    x = 407,991,623.87/22,240.87
  6. Step 6: Final answer
    x = 18,344.23

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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.