Home / 17,869.65-24,649.80-11,143.60

Finding the Fourth Proportional to 17,869.65, 24,649.80 and 11,143.60

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Solution

The fourth proportional to 17,869.65, 24,649.80 and 11,143.60 is: 15,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.65 : 24,649.80 = 11,143.60 : x
  2. Step 2: Convert to fraction form
    17,869.65/24,649.80 = 11,143.60/x
  3. Step 3: Cross multiply
    17,869.65x = 24,649.80 × 11,143.60
  4. Step 4: Simplify right side
    17,869.65x = 274,687,511.28
  5. Step 5: Solve for x
    x = 274,687,511.28/17,869.65
  6. Step 6: Final answer
    x = 15,371.73

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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.