Home / 15,085.20-22,626.99-3,992.25

Finding the Fourth Proportional to 15,085.20, 22,626.99 and 3,992.25

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Solution

The fourth proportional to 15,085.20, 22,626.99 and 3,992.25 is: 5,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.20 : 22,626.99 = 3,992.25 : x
  2. Step 2: Convert to fraction form
    15,085.20/22,626.99 = 3,992.25/x
  3. Step 3: Cross multiply
    15,085.20x = 22,626.99 × 3,992.25
  4. Step 4: Simplify right side
    15,085.20x = 90,332,600.83
  5. Step 5: Solve for x
    x = 90,332,600.83/15,085.20
  6. Step 6: Final answer
    x = 5,988.16

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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.