Home / 17,129.11-23,642.12-11,150.36

Finding the Fourth Proportional to 17,129.11, 23,642.12 and 11,150.36

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Solution

The fourth proportional to 17,129.11, 23,642.12 and 11,150.36 is: 15,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.11 : 23,642.12 = 11,150.36 : x
  2. Step 2: Convert to fraction form
    17,129.11/23,642.12 = 11,150.36/x
  3. Step 3: Cross multiply
    17,129.11x = 23,642.12 × 11,150.36
  4. Step 4: Simplify right side
    17,129.11x = 263,618,093.41
  5. Step 5: Solve for x
    x = 263,618,093.41/17,129.11
  6. Step 6: Final answer
    x = 15,390.07

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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.