Home / 22,091.73-32,997.11-18,980.79

Finding the Fourth Proportional to 22,091.73, 32,997.11 and 18,980.79

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Solution

The fourth proportional to 22,091.73, 32,997.11 and 18,980.79 is: 28,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.73 : 32,997.11 = 18,980.79 : x
  2. Step 2: Convert to fraction form
    22,091.73/32,997.11 = 18,980.79/x
  3. Step 3: Cross multiply
    22,091.73x = 32,997.11 × 18,980.79
  4. Step 4: Simplify right side
    22,091.73x = 626,311,215.52
  5. Step 5: Solve for x
    x = 626,311,215.52/22,091.73
  6. Step 6: Final answer
    x = 28,350.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.