Home / 21,649.45-32,491.18-11,119.04

Finding the Fourth Proportional to 21,649.45, 32,491.18 and 11,119.04

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Solution

The fourth proportional to 21,649.45, 32,491.18 and 11,119.04 is: 16,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.45 : 32,491.18 = 11,119.04 : x
  2. Step 2: Convert to fraction form
    21,649.45/32,491.18 = 11,119.04/x
  3. Step 3: Cross multiply
    21,649.45x = 32,491.18 × 11,119.04
  4. Step 4: Simplify right side
    21,649.45x = 361,270,674.47
  5. Step 5: Solve for x
    x = 361,270,674.47/21,649.45
  6. Step 6: Final answer
    x = 16,687.29

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1.5x scale

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.