Home / 25,733.80-38,600.70-8,205.40

Finding the Fourth Proportional to 25,733.80, 38,600.70 and 8,205.40

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Solution

The fourth proportional to 25,733.80, 38,600.70 and 8,205.40 is: 12,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.80 : 38,600.70 = 8,205.40 : x
  2. Step 2: Convert to fraction form
    25,733.80/38,600.70 = 8,205.40/x
  3. Step 3: Cross multiply
    25,733.80x = 38,600.70 × 8,205.40
  4. Step 4: Simplify right side
    25,733.80x = 316,734,183.78
  5. Step 5: Solve for x
    x = 316,734,183.78/25,733.80
  6. Step 6: Final answer
    x = 12,308.10

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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.