Home / 38,012.76-57,015.09-11,714.63

Finding the Fourth Proportional to 38,012.76, 57,015.09 and 11,714.63

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Solution

The fourth proportional to 38,012.76, 57,015.09 and 11,714.63 is: 17,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.76 : 57,015.09 = 11,714.63 : x
  2. Step 2: Convert to fraction form
    38,012.76/57,015.09 = 11,714.63/x
  3. Step 3: Cross multiply
    38,012.76x = 57,015.09 × 11,714.63
  4. Step 4: Simplify right side
    38,012.76x = 667,910,398.69
  5. Step 5: Solve for x
    x = 667,910,398.69/38,012.76
  6. Step 6: Final answer
    x = 17,570.69

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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.