Home / 25,087.54-34,621.19-13,758.07

Finding the Fourth Proportional to 25,087.54, 34,621.19 and 13,758.07

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Solution

The fourth proportional to 25,087.54, 34,621.19 and 13,758.07 is: 18,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,087.54 : 34,621.19 = 13,758.07 : x
  2. Step 2: Convert to fraction form
    25,087.54/34,621.19 = 13,758.07/x
  3. Step 3: Cross multiply
    25,087.54x = 34,621.19 × 13,758.07
  4. Step 4: Simplify right side
    25,087.54x = 476,320,513.61
  5. Step 5: Solve for x
    x = 476,320,513.61/25,087.54
  6. Step 6: Final answer
    x = 18,986.34

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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.