Home / 41,920.40-62,880.55-10,755.65

Finding the Fourth Proportional to 41,920.40, 62,880.55 and 10,755.65

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Solution

The fourth proportional to 41,920.40, 62,880.55 and 10,755.65 is: 16,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.40 : 62,880.55 = 10,755.65 : x
  2. Step 2: Convert to fraction form
    41,920.40/62,880.55 = 10,755.65/x
  3. Step 3: Cross multiply
    41,920.40x = 62,880.55 × 10,755.65
  4. Step 4: Simplify right side
    41,920.40x = 676,321,187.61
  5. Step 5: Solve for x
    x = 676,321,187.61/41,920.40
  6. Step 6: Final answer
    x = 16,133.46

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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.