Home / 22,119.66-33,193.13-8,972.15

Finding the Fourth Proportional to 22,119.66, 33,193.13 and 8,972.15

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Solution

The fourth proportional to 22,119.66, 33,193.13 and 8,972.15 is: 13,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.66 : 33,193.13 = 8,972.15 : x
  2. Step 2: Convert to fraction form
    22,119.66/33,193.13 = 8,972.15/x
  3. Step 3: Cross multiply
    22,119.66x = 33,193.13 × 8,972.15
  4. Step 4: Simplify right side
    22,119.66x = 297,813,530.50
  5. Step 5: Solve for x
    x = 297,813,530.50/22,119.66
  6. Step 6: Final answer
    x = 13,463.75

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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.