Home / 38,230.18-57,345.27-11,937.17

Finding the Fourth Proportional to 38,230.18, 57,345.27 and 11,937.17

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Solution

The fourth proportional to 38,230.18, 57,345.27 and 11,937.17 is: 17,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.18 : 57,345.27 = 11,937.17 : x
  2. Step 2: Convert to fraction form
    38,230.18/57,345.27 = 11,937.17/x
  3. Step 3: Cross multiply
    38,230.18x = 57,345.27 × 11,937.17
  4. Step 4: Simplify right side
    38,230.18x = 684,540,236.69
  5. Step 5: Solve for x
    x = 684,540,236.69/38,230.18
  6. Step 6: Final answer
    x = 17,905.76

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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.