Home / 22,771.28-34,139.14-14,449.74

Finding the Fourth Proportional to 22,771.28, 34,139.14 and 14,449.74

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Solution

The fourth proportional to 22,771.28, 34,139.14 and 14,449.74 is: 21,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.28 : 34,139.14 = 14,449.74 : x
  2. Step 2: Convert to fraction form
    22,771.28/34,139.14 = 14,449.74/x
  3. Step 3: Cross multiply
    22,771.28x = 34,139.14 × 14,449.74
  4. Step 4: Simplify right side
    22,771.28x = 493,301,660.70
  5. Step 5: Solve for x
    x = 493,301,660.70/22,771.28
  6. Step 6: Final answer
    x = 21,663.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.