Home / 38,023.78-57,016.63-11,725.10

Finding the Fourth Proportional to 38,023.78, 57,016.63 and 11,725.10

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Solution

The fourth proportional to 38,023.78, 57,016.63 and 11,725.10 is: 17,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.78 : 57,016.63 = 11,725.10 : x
  2. Step 2: Convert to fraction form
    38,023.78/57,016.63 = 11,725.10/x
  3. Step 3: Cross multiply
    38,023.78x = 57,016.63 × 11,725.10
  4. Step 4: Simplify right side
    38,023.78x = 668,525,659.10
  5. Step 5: Solve for x
    x = 668,525,659.10/38,023.78
  6. Step 6: Final answer
    x = 17,581.78

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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.