Home / 38,143.98-57,216.24-11,848.14

Finding the Fourth Proportional to 38,143.98, 57,216.24 and 11,848.14

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Solution

The fourth proportional to 38,143.98, 57,216.24 and 11,848.14 is: 17,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.98 : 57,216.24 = 11,848.14 : x
  2. Step 2: Convert to fraction form
    38,143.98/57,216.24 = 11,848.14/x
  3. Step 3: Cross multiply
    38,143.98x = 57,216.24 × 11,848.14
  4. Step 4: Simplify right side
    38,143.98x = 677,906,021.79
  5. Step 5: Solve for x
    x = 677,906,021.79/38,143.98
  6. Step 6: Final answer
    x = 17,772.29

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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.