Home / 22,199.20-33,298.71-10,520.62

Finding the Fourth Proportional to 22,199.20, 33,298.71 and 10,520.62

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Solution

The fourth proportional to 22,199.20, 33,298.71 and 10,520.62 is: 15,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.20 : 33,298.71 = 10,520.62 : x
  2. Step 2: Convert to fraction form
    22,199.20/33,298.71 = 10,520.62/x
  3. Step 3: Cross multiply
    22,199.20x = 33,298.71 × 10,520.62
  4. Step 4: Simplify right side
    22,199.20x = 350,323,074.40
  5. Step 5: Solve for x
    x = 350,323,074.40/22,199.20
  6. Step 6: Final answer
    x = 15,780.89

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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.