Home / 13,350.85-18,424.13-8,045.96

Finding the Fourth Proportional to 13,350.85, 18,424.13 and 8,045.96

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Solution

The fourth proportional to 13,350.85, 18,424.13 and 8,045.96 is: 11,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.85 : 18,424.13 = 8,045.96 : x
  2. Step 2: Convert to fraction form
    13,350.85/18,424.13 = 8,045.96/x
  3. Step 3: Cross multiply
    13,350.85x = 18,424.13 × 8,045.96
  4. Step 4: Simplify right side
    13,350.85x = 148,239,680.66
  5. Step 5: Solve for x
    x = 148,239,680.66/13,350.85
  6. Step 6: Final answer
    x = 11,103.39

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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.