Home / 38,205.25-57,301.58-10,127.05

Finding the Fourth Proportional to 38,205.25, 57,301.58 and 10,127.05

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Solution

The fourth proportional to 38,205.25, 57,301.58 and 10,127.05 is: 15,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.25 : 57,301.58 = 10,127.05 : x
  2. Step 2: Convert to fraction form
    38,205.25/57,301.58 = 10,127.05/x
  3. Step 3: Cross multiply
    38,205.25x = 57,301.58 × 10,127.05
  4. Step 4: Simplify right side
    38,205.25x = 580,295,847.80
  5. Step 5: Solve for x
    x = 580,295,847.80/38,205.25
  6. Step 6: Final answer
    x = 15,188.90

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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.