Home / 25,085.70-34,617.87-13,755.29

Finding the Fourth Proportional to 25,085.70, 34,617.87 and 13,755.29

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Solution

The fourth proportional to 25,085.70, 34,617.87 and 13,755.29 is: 18,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.70 : 34,617.87 = 13,755.29 : x
  2. Step 2: Convert to fraction form
    25,085.70/34,617.87 = 13,755.29/x
  3. Step 3: Cross multiply
    25,085.70x = 34,617.87 × 13,755.29
  4. Step 4: Simplify right side
    25,085.70x = 476,178,772.26
  5. Step 5: Solve for x
    x = 476,178,772.26/25,085.70
  6. Step 6: Final answer
    x = 18,982.08

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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.