Home / 22,224.20-30,673.14-13,278.56

Finding the Fourth Proportional to 22,224.20, 30,673.14 and 13,278.56

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Solution

The fourth proportional to 22,224.20, 30,673.14 and 13,278.56 is: 18,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.20 : 30,673.14 = 13,278.56 : x
  2. Step 2: Convert to fraction form
    22,224.20/30,673.14 = 13,278.56/x
  3. Step 3: Cross multiply
    22,224.20x = 30,673.14 × 13,278.56
  4. Step 4: Simplify right side
    22,224.20x = 407,295,129.88
  5. Step 5: Solve for x
    x = 407,295,129.88/22,224.20
  6. Step 6: Final answer
    x = 18,326.65

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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.