Home / 17,144.68-23,673.08-13,159.48

Finding the Fourth Proportional to 17,144.68, 23,673.08 and 13,159.48

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Solution

The fourth proportional to 17,144.68, 23,673.08 and 13,159.48 is: 18,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.68 : 23,673.08 = 13,159.48 : x
  2. Step 2: Convert to fraction form
    17,144.68/23,673.08 = 13,159.48/x
  3. Step 3: Cross multiply
    17,144.68x = 23,673.08 × 13,159.48
  4. Step 4: Simplify right side
    17,144.68x = 311,525,422.80
  5. Step 5: Solve for x
    x = 311,525,422.80/17,144.68
  6. Step 6: Final answer
    x = 18,170.38

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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.