Home / 12,228.44-18,306.90-11,061.14

Finding the Fourth Proportional to 12,228.44, 18,306.90 and 11,061.14

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Solution

The fourth proportional to 12,228.44, 18,306.90 and 11,061.14 is: 16,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.44 : 18,306.90 = 11,061.14 : x
  2. Step 2: Convert to fraction form
    12,228.44/18,306.90 = 11,061.14/x
  3. Step 3: Cross multiply
    12,228.44x = 18,306.90 × 11,061.14
  4. Step 4: Simplify right side
    12,228.44x = 202,495,183.87
  5. Step 5: Solve for x
    x = 202,495,183.87/12,228.44
  6. Step 6: Final answer
    x = 16,559.36

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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.