Home / 13,132.17-18,119.12-8,026.38

Finding the Fourth Proportional to 13,132.17, 18,119.12 and 8,026.38

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Solution

The fourth proportional to 13,132.17, 18,119.12 and 8,026.38 is: 11,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.17 : 18,119.12 = 8,026.38 : x
  2. Step 2: Convert to fraction form
    13,132.17/18,119.12 = 8,026.38/x
  3. Step 3: Cross multiply
    13,132.17x = 18,119.12 × 8,026.38
  4. Step 4: Simplify right side
    13,132.17x = 145,430,902.25
  5. Step 5: Solve for x
    x = 145,430,902.25/13,132.17
  6. Step 6: Final answer
    x = 11,074.40

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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.