Home / 18,343.97-25,124.99-17,266.78

Finding the Fourth Proportional to 18,343.97, 25,124.99 and 17,266.78

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Solution

The fourth proportional to 18,343.97, 25,124.99 and 17,266.78 is: 23,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.97 : 25,124.99 = 17,266.78 : x
  2. Step 2: Convert to fraction form
    18,343.97/25,124.99 = 17,266.78/x
  3. Step 3: Cross multiply
    18,343.97x = 25,124.99 × 17,266.78
  4. Step 4: Simplify right side
    18,343.97x = 433,827,819.14
  5. Step 5: Solve for x
    x = 433,827,819.14/18,343.97
  6. Step 6: Final answer
    x = 23,649.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.