Home / 16,138.13-22,269.29-8,968.26

Finding the Fourth Proportional to 16,138.13, 22,269.29 and 8,968.26

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Solution

The fourth proportional to 16,138.13, 22,269.29 and 8,968.26 is: 12,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.13 : 22,269.29 = 8,968.26 : x
  2. Step 2: Convert to fraction form
    16,138.13/22,269.29 = 8,968.26/x
  3. Step 3: Cross multiply
    16,138.13x = 22,269.29 × 8,968.26
  4. Step 4: Simplify right side
    16,138.13x = 199,716,626.55
  5. Step 5: Solve for x
    x = 199,716,626.55/16,138.13
  6. Step 6: Final answer
    x = 12,375.45

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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.