Home / 15,761.80-23,640.78-4,074.04

Finding the Fourth Proportional to 15,761.80, 23,640.78 and 4,074.04

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Solution

The fourth proportional to 15,761.80, 23,640.78 and 4,074.04 is: 6,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.80 : 23,640.78 = 4,074.04 : x
  2. Step 2: Convert to fraction form
    15,761.80/23,640.78 = 4,074.04/x
  3. Step 3: Cross multiply
    15,761.80x = 23,640.78 × 4,074.04
  4. Step 4: Simplify right side
    15,761.80x = 96,313,483.35
  5. Step 5: Solve for x
    x = 96,313,483.35/15,761.80
  6. Step 6: Final answer
    x = 6,110.56

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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.