Home / 25,436.88-38,143.02-8,791.08

Finding the Fourth Proportional to 25,436.88, 38,143.02 and 8,791.08

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Solution

The fourth proportional to 25,436.88, 38,143.02 and 8,791.08 is: 13,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.88 : 38,143.02 = 8,791.08 : x
  2. Step 2: Convert to fraction form
    25,436.88/38,143.02 = 8,791.08/x
  3. Step 3: Cross multiply
    25,436.88x = 38,143.02 × 8,791.08
  4. Step 4: Simplify right side
    25,436.88x = 335,318,340.26
  5. Step 5: Solve for x
    x = 335,318,340.26/25,436.88
  6. Step 6: Final answer
    x = 13,182.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.