Home / 25,436.49-38,156.42-8,798.13

Finding the Fourth Proportional to 25,436.49, 38,156.42 and 8,798.13

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Solution

The fourth proportional to 25,436.49, 38,156.42 and 8,798.13 is: 13,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.49 : 38,156.42 = 8,798.13 : x
  2. Step 2: Convert to fraction form
    25,436.49/38,156.42 = 8,798.13/x
  3. Step 3: Cross multiply
    25,436.49x = 38,156.42 × 8,798.13
  4. Step 4: Simplify right side
    25,436.49x = 335,705,099.50
  5. Step 5: Solve for x
    x = 335,705,099.50/25,436.49
  6. Step 6: Final answer
    x = 13,197.78

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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.