Home / 13,649.13-20,451.75-11,462.13

Finding the Fourth Proportional to 13,649.13, 20,451.75 and 11,462.13

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Solution

The fourth proportional to 13,649.13, 20,451.75 and 11,462.13 is: 17,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649.13 : 20,451.75 = 11,462.13 : x
  2. Step 2: Convert to fraction form
    13,649.13/20,451.75 = 11,462.13/x
  3. Step 3: Cross multiply
    13,649.13x = 20,451.75 × 11,462.13
  4. Step 4: Simplify right side
    13,649.13x = 234,420,617.23
  5. Step 5: Solve for x
    x = 234,420,617.23/13,649.13
  6. Step 6: Final answer
    x = 17,174.77

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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.