Home / 25,085.95-34,618.21-13,755.54

Finding the Fourth Proportional to 25,085.95, 34,618.21 and 13,755.54

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Solution

The fourth proportional to 25,085.95, 34,618.21 and 13,755.54 is: 18,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.95 : 34,618.21 = 13,755.54 : x
  2. Step 2: Convert to fraction form
    25,085.95/34,618.21 = 13,755.54/x
  3. Step 3: Cross multiply
    25,085.95x = 34,618.21 × 13,755.54
  4. Step 4: Simplify right side
    25,085.95x = 476,192,172.38
  5. Step 5: Solve for x
    x = 476,192,172.38/25,085.95
  6. Step 6: Final answer
    x = 18,982.43

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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.