Home / 13,151.36-18,144.60-8,952.32

Finding the Fourth Proportional to 13,151.36, 18,144.60 and 8,952.32

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Solution

The fourth proportional to 13,151.36, 18,144.60 and 8,952.32 is: 12,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.36 : 18,144.60 = 8,952.32 : x
  2. Step 2: Convert to fraction form
    13,151.36/18,144.60 = 8,952.32/x
  3. Step 3: Cross multiply
    13,151.36x = 18,144.60 × 8,952.32
  4. Step 4: Simplify right side
    13,151.36x = 162,436,265.47
  5. Step 5: Solve for x
    x = 162,436,265.47/13,151.36
  6. Step 6: Final answer
    x = 12,351.29

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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.