Home / 13,360.56-20,020.11-6,774.96

Finding the Fourth Proportional to 13,360.56, 20,020.11 and 6,774.96

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Solution

The fourth proportional to 13,360.56, 20,020.11 and 6,774.96 is: 10,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.56 : 20,020.11 = 6,774.96 : x
  2. Step 2: Convert to fraction form
    13,360.56/20,020.11 = 6,774.96/x
  3. Step 3: Cross multiply
    13,360.56x = 20,020.11 × 6,774.96
  4. Step 4: Simplify right side
    13,360.56x = 135,635,444.45
  5. Step 5: Solve for x
    x = 135,635,444.45/13,360.56
  6. Step 6: Final answer
    x = 10,151.93

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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.