Home / 25,436.74-38,156.82-8,798.38

Finding the Fourth Proportional to 25,436.74, 38,156.82 and 8,798.38

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Solution

The fourth proportional to 25,436.74, 38,156.82 and 8,798.38 is: 13,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.74 : 38,156.82 = 8,798.38 : x
  2. Step 2: Convert to fraction form
    25,436.74/38,156.82 = 8,798.38/x
  3. Step 3: Cross multiply
    25,436.74x = 38,156.82 × 8,798.38
  4. Step 4: Simplify right side
    25,436.74x = 335,718,201.95
  5. Step 5: Solve for x
    x = 335,718,201.95/25,436.74
  6. Step 6: Final answer
    x = 13,198.16

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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.