Home / 22,624.20-31,228.56-13,194.54

Finding the Fourth Proportional to 22,624.20, 31,228.56 and 13,194.54

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Solution

The fourth proportional to 22,624.20, 31,228.56 and 13,194.54 is: 18,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,624.20 : 31,228.56 = 13,194.54 : x
  2. Step 2: Convert to fraction form
    22,624.20/31,228.56 = 13,194.54/x
  3. Step 3: Cross multiply
    22,624.20x = 31,228.56 × 13,194.54
  4. Step 4: Simplify right side
    22,624.20x = 412,046,484.06
  5. Step 5: Solve for x
    x = 412,046,484.06/22,624.20
  6. Step 6: Final answer
    x = 18,212.64

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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.