Home / 22,167.24-30,548.58-15,868.68

Finding the Fourth Proportional to 22,167.24, 30,548.58 and 15,868.68

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Solution

The fourth proportional to 22,167.24, 30,548.58 and 15,868.68 is: 21,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.24 : 30,548.58 = 15,868.68 : x
  2. Step 2: Convert to fraction form
    22,167.24/30,548.58 = 15,868.68/x
  3. Step 3: Cross multiply
    22,167.24x = 30,548.58 × 15,868.68
  4. Step 4: Simplify right side
    22,167.24x = 484,765,640.47
  5. Step 5: Solve for x
    x = 484,765,640.47/22,167.24
  6. Step 6: Final answer
    x = 21,868.56

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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.