Home / 13,118.15-19,672.14-4,350.71

Finding the Fourth Proportional to 13,118.15, 19,672.14 and 4,350.71

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Solution

The fourth proportional to 13,118.15, 19,672.14 and 4,350.71 is: 6,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.15 : 19,672.14 = 4,350.71 : x
  2. Step 2: Convert to fraction form
    13,118.15/19,672.14 = 4,350.71/x
  3. Step 3: Cross multiply
    13,118.15x = 19,672.14 × 4,350.71
  4. Step 4: Simplify right side
    13,118.15x = 85,587,776.22
  5. Step 5: Solve for x
    x = 85,587,776.22/13,118.15
  6. Step 6: Final answer
    x = 6,524.38

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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.