Home / 18,266.05-25,207.15-10,309.96

Finding the Fourth Proportional to 18,266.05, 25,207.15 and 10,309.96

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Solution

The fourth proportional to 18,266.05, 25,207.15 and 10,309.96 is: 14,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.05 : 25,207.15 = 10,309.96 : x
  2. Step 2: Convert to fraction form
    18,266.05/25,207.15 = 10,309.96/x
  3. Step 3: Cross multiply
    18,266.05x = 25,207.15 × 10,309.96
  4. Step 4: Simplify right side
    18,266.05x = 259,884,556.40
  5. Step 5: Solve for x
    x = 259,884,556.40/18,266.05
  6. Step 6: Final answer
    x = 14,227.74

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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.