Home / 22,620.57-33,920.05-10,140.69

Finding the Fourth Proportional to 22,620.57, 33,920.05 and 10,140.69

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Solution

The fourth proportional to 22,620.57, 33,920.05 and 10,140.69 is: 15,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.57 : 33,920.05 = 10,140.69 : x
  2. Step 2: Convert to fraction form
    22,620.57/33,920.05 = 10,140.69/x
  3. Step 3: Cross multiply
    22,620.57x = 33,920.05 × 10,140.69
  4. Step 4: Simplify right side
    22,620.57x = 343,972,711.83
  5. Step 5: Solve for x
    x = 343,972,711.83/22,620.57
  6. Step 6: Final answer
    x = 15,206.19

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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.