Home / 11,195.92-16,722.24-10,140.16

Finding the Fourth Proportional to 11,195.92, 16,722.24 and 10,140.16

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Solution

The fourth proportional to 11,195.92, 16,722.24 and 10,140.16 is: 15,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.92 : 16,722.24 = 10,140.16 : x
  2. Step 2: Convert to fraction form
    11,195.92/16,722.24 = 10,140.16/x
  3. Step 3: Cross multiply
    11,195.92x = 16,722.24 × 10,140.16
  4. Step 4: Simplify right side
    11,195.92x = 169,566,189.16
  5. Step 5: Solve for x
    x = 169,566,189.16/11,195.92
  6. Step 6: Final answer
    x = 15,145.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.