Home / 38,113.52-57,176.33-11,812.82

Finding the Fourth Proportional to 38,113.52, 57,176.33 and 11,812.82

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Solution

The fourth proportional to 38,113.52, 57,176.33 and 11,812.82 is: 17,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.52 : 57,176.33 = 11,812.82 : x
  2. Step 2: Convert to fraction form
    38,113.52/57,176.33 = 11,812.82/x
  3. Step 3: Cross multiply
    38,113.52x = 57,176.33 × 11,812.82
  4. Step 4: Simplify right side
    38,113.52x = 675,413,438.20
  5. Step 5: Solve for x
    x = 675,413,438.20/38,113.52
  6. Step 6: Final answer
    x = 17,721.10

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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.