Home / 38,291.02-57,436.62-11,998.06

Finding the Fourth Proportional to 38,291.02, 57,436.62 and 11,998.06

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Solution

The fourth proportional to 38,291.02, 57,436.62 and 11,998.06 is: 17,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.02 : 57,436.62 = 11,998.06 : x
  2. Step 2: Convert to fraction form
    38,291.02/57,436.62 = 11,998.06/x
  3. Step 3: Cross multiply
    38,291.02x = 57,436.62 × 11,998.06
  4. Step 4: Simplify right side
    38,291.02x = 689,128,012.96
  5. Step 5: Solve for x
    x = 689,128,012.96/38,291.02
  6. Step 6: Final answer
    x = 17,997.12

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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.