Home / 27,894.19-41,848.36-12,912.10

Finding the Fourth Proportional to 27,894.19, 41,848.36 and 12,912.10

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Solution

The fourth proportional to 27,894.19, 41,848.36 and 12,912.10 is: 19,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.19 : 41,848.36 = 12,912.10 : x
  2. Step 2: Convert to fraction form
    27,894.19/41,848.36 = 12,912.10/x
  3. Step 3: Cross multiply
    27,894.19x = 41,848.36 × 12,912.10
  4. Step 4: Simplify right side
    27,894.19x = 540,350,349.95
  5. Step 5: Solve for x
    x = 540,350,349.95/27,894.19
  6. Step 6: Final answer
    x = 19,371.43

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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.