Home / 38,082.80-57,124.20-11,795.60

Finding the Fourth Proportional to 38,082.80, 57,124.20 and 11,795.60

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Solution

The fourth proportional to 38,082.80, 57,124.20 and 11,795.60 is: 17,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.80 : 57,124.20 = 11,795.60 : x
  2. Step 2: Convert to fraction form
    38,082.80/57,124.20 = 11,795.60/x
  3. Step 3: Cross multiply
    38,082.80x = 57,124.20 × 11,795.60
  4. Step 4: Simplify right side
    38,082.80x = 673,814,213.52
  5. Step 5: Solve for x
    x = 673,814,213.52/38,082.80
  6. Step 6: Final answer
    x = 17,693.40

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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.