Home / 25,206.20-37,833.60-12,740.30

Finding the Fourth Proportional to 25,206.20, 37,833.60 and 12,740.30

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Solution

The fourth proportional to 25,206.20, 37,833.60 and 12,740.30 is: 19,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.20 : 37,833.60 = 12,740.30 : x
  2. Step 2: Convert to fraction form
    25,206.20/37,833.60 = 12,740.30/x
  3. Step 3: Cross multiply
    25,206.20x = 37,833.60 × 12,740.30
  4. Step 4: Simplify right side
    25,206.20x = 482,011,414.08
  5. Step 5: Solve for x
    x = 482,011,414.08/25,206.20
  6. Step 6: Final answer
    x = 19,122.73

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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.