Home / 22,286.87-30,754.93-13,329.08

Finding the Fourth Proportional to 22,286.87, 30,754.93 and 13,329.08

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Solution

The fourth proportional to 22,286.87, 30,754.93 and 13,329.08 is: 18,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.87 : 30,754.93 = 13,329.08 : x
  2. Step 2: Convert to fraction form
    22,286.87/30,754.93 = 13,329.08/x
  3. Step 3: Cross multiply
    22,286.87x = 30,754.93 × 13,329.08
  4. Step 4: Simplify right side
    22,286.87x = 409,934,922.36
  5. Step 5: Solve for x
    x = 409,934,922.36/22,286.87
  6. Step 6: Final answer
    x = 18,393.56

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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.