Home / 22,105.17-33,147.36-8,947.53

Finding the Fourth Proportional to 22,105.17, 33,147.36 and 8,947.53

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Solution

The fourth proportional to 22,105.17, 33,147.36 and 8,947.53 is: 13,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.17 : 33,147.36 = 8,947.53 : x
  2. Step 2: Convert to fraction form
    22,105.17/33,147.36 = 8,947.53/x
  3. Step 3: Cross multiply
    22,105.17x = 33,147.36 × 8,947.53
  4. Step 4: Simplify right side
    22,105.17x = 296,586,998.02
  5. Step 5: Solve for x
    x = 296,586,998.02/22,105.17
  6. Step 6: Final answer
    x = 13,417.09

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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.