Home / 22,423.20-33,660.40-13,194.40

Finding the Fourth Proportional to 22,423.20, 33,660.40 and 13,194.40

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Solution

The fourth proportional to 22,423.20, 33,660.40 and 13,194.40 is: 19,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.20 : 33,660.40 = 13,194.40 : x
  2. Step 2: Convert to fraction form
    22,423.20/33,660.40 = 13,194.40/x
  3. Step 3: Cross multiply
    22,423.20x = 33,660.40 × 13,194.40
  4. Step 4: Simplify right side
    22,423.20x = 444,128,781.76
  5. Step 5: Solve for x
    x = 444,128,781.76/22,423.20
  6. Step 6: Final answer
    x = 19,806.66

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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.