Home / 22,600.87-31,193.16-13,039.09

Finding the Fourth Proportional to 22,600.87, 31,193.16 and 13,039.09

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Solution

The fourth proportional to 22,600.87, 31,193.16 and 13,039.09 is: 17,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.87 : 31,193.16 = 13,039.09 : x
  2. Step 2: Convert to fraction form
    22,600.87/31,193.16 = 13,039.09/x
  3. Step 3: Cross multiply
    22,600.87x = 31,193.16 × 13,039.09
  4. Step 4: Simplify right side
    22,600.87x = 406,730,420.62
  5. Step 5: Solve for x
    x = 406,730,420.62/22,600.87
  6. Step 6: Final answer
    x = 17,996.23

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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.