Home / 22,423.15-33,582.88-21,645.55

Finding the Fourth Proportional to 22,423.15, 33,582.88 and 21,645.55

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Solution

The fourth proportional to 22,423.15, 33,582.88 and 21,645.55 is: 32,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.15 : 33,582.88 = 21,645.55 : x
  2. Step 2: Convert to fraction form
    22,423.15/33,582.88 = 21,645.55/x
  3. Step 3: Cross multiply
    22,423.15x = 33,582.88 × 21,645.55
  4. Step 4: Simplify right side
    22,423.15x = 726,919,686.16
  5. Step 5: Solve for x
    x = 726,919,686.16/22,423.15
  6. Step 6: Final answer
    x = 32,418.28

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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.