Home / 25,626.80-38,436.60-8,098.40

Finding the Fourth Proportional to 25,626.80, 38,436.60 and 8,098.40

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Solution

The fourth proportional to 25,626.80, 38,436.60 and 8,098.40 is: 12,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.80 : 38,436.60 = 8,098.40 : x
  2. Step 2: Convert to fraction form
    25,626.80/38,436.60 = 8,098.40/x
  3. Step 3: Cross multiply
    25,626.80x = 38,436.60 × 8,098.40
  4. Step 4: Simplify right side
    25,626.80x = 311,274,961.44
  5. Step 5: Solve for x
    x = 311,274,961.44/25,626.80
  6. Step 6: Final answer
    x = 12,146.46

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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.