Home / 15,523.54-23,278.17-4,991.61

Finding the Fourth Proportional to 15,523.54, 23,278.17 and 4,991.61

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Solution

The fourth proportional to 15,523.54, 23,278.17 and 4,991.61 is: 7,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.54 : 23,278.17 = 4,991.61 : x
  2. Step 2: Convert to fraction form
    15,523.54/23,278.17 = 4,991.61/x
  3. Step 3: Cross multiply
    15,523.54x = 23,278.17 × 4,991.61
  4. Step 4: Simplify right side
    15,523.54x = 116,195,546.15
  5. Step 5: Solve for x
    x = 116,195,546.15/15,523.54
  6. Step 6: Final answer
    x = 7,485.12

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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.