Home / 22,115.10-33,124.05-13,334.70

Finding the Fourth Proportional to 22,115.10, 33,124.05 and 13,334.70

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Solution

The fourth proportional to 22,115.10, 33,124.05 and 13,334.70 is: 19,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.10 : 33,124.05 = 13,334.70 : x
  2. Step 2: Convert to fraction form
    22,115.10/33,124.05 = 13,334.70/x
  3. Step 3: Cross multiply
    22,115.10x = 33,124.05 × 13,334.70
  4. Step 4: Simplify right side
    22,115.10x = 441,699,269.54
  5. Step 5: Solve for x
    x = 441,699,269.54/22,115.10
  6. Step 6: Final answer
    x = 19,972.75

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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.