Home / 38,103.71-57,134.69-11,801.15

Finding the Fourth Proportional to 38,103.71, 57,134.69 and 11,801.15

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Solution

The fourth proportional to 38,103.71, 57,134.69 and 11,801.15 is: 17,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.71 : 57,134.69 = 11,801.15 : x
  2. Step 2: Convert to fraction form
    38,103.71/57,134.69 = 11,801.15/x
  3. Step 3: Cross multiply
    38,103.71x = 57,134.69 × 11,801.15
  4. Step 4: Simplify right side
    38,103.71x = 674,254,987.89
  5. Step 5: Solve for x
    x = 674,254,987.89/38,103.71
  6. Step 6: Final answer
    x = 17,695.26

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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.