Home / 25,121.13-34,668.37-13,943.13

Finding the Fourth Proportional to 25,121.13, 34,668.37 and 13,943.13

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Solution

The fourth proportional to 25,121.13, 34,668.37 and 13,943.13 is: 19,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.13 : 34,668.37 = 13,943.13 : x
  2. Step 2: Convert to fraction form
    25,121.13/34,668.37 = 13,943.13/x
  3. Step 3: Cross multiply
    25,121.13x = 34,668.37 × 13,943.13
  4. Step 4: Simplify right side
    25,121.13x = 483,385,589.80
  5. Step 5: Solve for x
    x = 483,385,589.80/25,121.13
  6. Step 6: Final answer
    x = 19,242.19

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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.