Home / 22,463.12-30,999.28-12,391.96

Finding the Fourth Proportional to 22,463.12, 30,999.28 and 12,391.96

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Solution

The fourth proportional to 22,463.12, 30,999.28 and 12,391.96 is: 17,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.12 : 30,999.28 = 12,391.96 : x
  2. Step 2: Convert to fraction form
    22,463.12/30,999.28 = 12,391.96/x
  3. Step 3: Cross multiply
    22,463.12x = 30,999.28 × 12,391.96
  4. Step 4: Simplify right side
    22,463.12x = 384,141,837.79
  5. Step 5: Solve for x
    x = 384,141,837.79/22,463.12
  6. Step 6: Final answer
    x = 17,101.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.