Home / 22,294.87-30,767.89-13,340.66

Finding the Fourth Proportional to 22,294.87, 30,767.89 and 13,340.66

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Solution

The fourth proportional to 22,294.87, 30,767.89 and 13,340.66 is: 18,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.87 : 30,767.89 = 13,340.66 : x
  2. Step 2: Convert to fraction form
    22,294.87/30,767.89 = 13,340.66/x
  3. Step 3: Cross multiply
    22,294.87x = 30,767.89 × 13,340.66
  4. Step 4: Simplify right side
    22,294.87x = 410,463,772.22
  5. Step 5: Solve for x
    x = 410,463,772.22/22,294.87
  6. Step 6: Final answer
    x = 18,410.68

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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.