Home / 18,296.72-25,250.64-11,222.18

Finding the Fourth Proportional to 18,296.72, 25,250.64 and 11,222.18

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Solution

The fourth proportional to 18,296.72, 25,250.64 and 11,222.18 is: 15,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.72 : 25,250.64 = 11,222.18 : x
  2. Step 2: Convert to fraction form
    18,296.72/25,250.64 = 11,222.18/x
  3. Step 3: Cross multiply
    18,296.72x = 25,250.64 × 11,222.18
  4. Step 4: Simplify right side
    18,296.72x = 283,367,227.20
  5. Step 5: Solve for x
    x = 283,367,227.20/18,296.72
  6. Step 6: Final answer
    x = 15,487.32

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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.