Home / 13,180.11-19,759.01-5,778.96

Finding the Fourth Proportional to 13,180.11, 19,759.01 and 5,778.96

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Solution

The fourth proportional to 13,180.11, 19,759.01 and 5,778.96 is: 8,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.11 : 19,759.01 = 5,778.96 : x
  2. Step 2: Convert to fraction form
    13,180.11/19,759.01 = 5,778.96/x
  3. Step 3: Cross multiply
    13,180.11x = 19,759.01 × 5,778.96
  4. Step 4: Simplify right side
    13,180.11x = 114,186,499.53
  5. Step 5: Solve for x
    x = 114,186,499.53/13,180.11
  6. Step 6: Final answer
    x = 8,663.55

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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.