Home / 22,202.28-30,624.63-13,243.79

Finding the Fourth Proportional to 22,202.28, 30,624.63 and 13,243.79

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Solution

The fourth proportional to 22,202.28, 30,624.63 and 13,243.79 is: 18,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.28 : 30,624.63 = 13,243.79 : x
  2. Step 2: Convert to fraction form
    22,202.28/30,624.63 = 13,243.79/x
  3. Step 3: Cross multiply
    22,202.28x = 30,624.63 × 13,243.79
  4. Step 4: Simplify right side
    22,202.28x = 405,585,965.76
  5. Step 5: Solve for x
    x = 405,585,965.76/22,202.28
  6. Step 6: Final answer
    x = 18,267.76

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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.