Home / 25,363.68-38,012.40-17,556

Finding the Fourth Proportional to 25,363.68, 38,012.40 and 17,556

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Solution

The fourth proportional to 25,363.68, 38,012.40 and 17,556 is: 26,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.68 : 38,012.40 = 17,556 : x
  2. Step 2: Convert to fraction form
    25,363.68/38,012.40 = 17,556/x
  3. Step 3: Cross multiply
    25,363.68x = 38,012.40 × 17,556
  4. Step 4: Simplify right side
    25,363.68x = 667,345,694.40
  5. Step 5: Solve for x
    x = 667,345,694.40/25,363.68
  6. Step 6: Final answer
    x = 26,311.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.