Home / 22,015.40-33,023.10-21,723.80

Finding the Fourth Proportional to 22,015.40, 33,023.10 and 21,723.80

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Solution

The fourth proportional to 22,015.40, 33,023.10 and 21,723.80 is: 32,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.40 : 33,023.10 = 21,723.80 : x
  2. Step 2: Convert to fraction form
    22,015.40/33,023.10 = 21,723.80/x
  3. Step 3: Cross multiply
    22,015.40x = 33,023.10 × 21,723.80
  4. Step 4: Simplify right side
    22,015.40x = 717,387,219.78
  5. Step 5: Solve for x
    x = 717,387,219.78/22,015.40
  6. Step 6: Final answer
    x = 32,585.70

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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.