Home / 22,292.99-30,759.26-15,123.88

Finding the Fourth Proportional to 22,292.99, 30,759.26 and 15,123.88

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Solution

The fourth proportional to 22,292.99, 30,759.26 and 15,123.88 is: 20,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.99 : 30,759.26 = 15,123.88 : x
  2. Step 2: Convert to fraction form
    22,292.99/30,759.26 = 15,123.88/x
  3. Step 3: Cross multiply
    22,292.99x = 30,759.26 × 15,123.88
  4. Step 4: Simplify right side
    22,292.99x = 465,199,318.04
  5. Step 5: Solve for x
    x = 465,199,318.04/22,292.99
  6. Step 6: Final answer
    x = 20,867.52

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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.