Home / 15,945.44-23,917.28-5,557.92

Finding the Fourth Proportional to 15,945.44, 23,917.28 and 5,557.92

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Solution

The fourth proportional to 15,945.44, 23,917.28 and 5,557.92 is: 8,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.44 : 23,917.28 = 5,557.92 : x
  2. Step 2: Convert to fraction form
    15,945.44/23,917.28 = 5,557.92/x
  3. Step 3: Cross multiply
    15,945.44x = 23,917.28 × 5,557.92
  4. Step 4: Simplify right side
    15,945.44x = 132,930,328.86
  5. Step 5: Solve for x
    x = 132,930,328.86/15,945.44
  6. Step 6: Final answer
    x = 8,336.57

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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.