Home / 22,184.05-30,582.19-13,680.46

Finding the Fourth Proportional to 22,184.05, 30,582.19 and 13,680.46

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Solution

The fourth proportional to 22,184.05, 30,582.19 and 13,680.46 is: 18,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,184.05 : 30,582.19 = 13,680.46 : x
  2. Step 2: Convert to fraction form
    22,184.05/30,582.19 = 13,680.46/x
  3. Step 3: Cross multiply
    22,184.05x = 30,582.19 × 13,680.46
  4. Step 4: Simplify right side
    22,184.05x = 418,378,358.61
  5. Step 5: Solve for x
    x = 418,378,358.61/22,184.05
  6. Step 6: Final answer
    x = 18,859.42

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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.