Home / 25,010.26-34,515.05-13,679.08

Finding the Fourth Proportional to 25,010.26, 34,515.05 and 13,679.08

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Solution

The fourth proportional to 25,010.26, 34,515.05 and 13,679.08 is: 18,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.26 : 34,515.05 = 13,679.08 : x
  2. Step 2: Convert to fraction form
    25,010.26/34,515.05 = 13,679.08/x
  3. Step 3: Cross multiply
    25,010.26x = 34,515.05 × 13,679.08
  4. Step 4: Simplify right side
    25,010.26x = 472,133,975.47
  5. Step 5: Solve for x
    x = 472,133,975.47/25,010.26
  6. Step 6: Final answer
    x = 18,877.61

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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.