Home / 15,197.86-22,782.87-5,331.76

Finding the Fourth Proportional to 15,197.86, 22,782.87 and 5,331.76

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Solution

The fourth proportional to 15,197.86, 22,782.87 and 5,331.76 is: 7,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.86 : 22,782.87 = 5,331.76 : x
  2. Step 2: Convert to fraction form
    15,197.86/22,782.87 = 5,331.76/x
  3. Step 3: Cross multiply
    15,197.86x = 22,782.87 × 5,331.76
  4. Step 4: Simplify right side
    15,197.86x = 121,472,794.95
  5. Step 5: Solve for x
    x = 121,472,794.95/15,197.86
  6. Step 6: Final answer
    x = 7,992.76

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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.