Home / 22,152.20-33,218.70-9,000.20

Finding the Fourth Proportional to 22,152.20, 33,218.70 and 9,000.20

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Solution

The fourth proportional to 22,152.20, 33,218.70 and 9,000.20 is: 13,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.20 : 33,218.70 = 9,000.20 : x
  2. Step 2: Convert to fraction form
    22,152.20/33,218.70 = 9,000.20/x
  3. Step 3: Cross multiply
    22,152.20x = 33,218.70 × 9,000.20
  4. Step 4: Simplify right side
    22,152.20x = 298,974,943.74
  5. Step 5: Solve for x
    x = 298,974,943.74/22,152.20
  6. Step 6: Final answer
    x = 13,496.40

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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.