Home / 15,997.68-22,077.26-8,923.95

Finding the Fourth Proportional to 15,997.68, 22,077.26 and 8,923.95

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Solution

The fourth proportional to 15,997.68, 22,077.26 and 8,923.95 is: 12,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.68 : 22,077.26 = 8,923.95 : x
  2. Step 2: Convert to fraction form
    15,997.68/22,077.26 = 8,923.95/x
  3. Step 3: Cross multiply
    15,997.68x = 22,077.26 × 8,923.95
  4. Step 4: Simplify right side
    15,997.68x = 197,016,253.99
  5. Step 5: Solve for x
    x = 197,016,253.99/15,997.68
  6. Step 6: Final answer
    x = 12,315.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.