Home / 13,954.08-19,262.40-8,364

Finding the Fourth Proportional to 13,954.08, 19,262.40 and 8,364

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Solution

The fourth proportional to 13,954.08, 19,262.40 and 8,364 is: 11,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.08 : 19,262.40 = 8,364 : x
  2. Step 2: Convert to fraction form
    13,954.08/19,262.40 = 8,364/x
  3. Step 3: Cross multiply
    13,954.08x = 19,262.40 × 8,364
  4. Step 4: Simplify right side
    13,954.08x = 161,110,713.60
  5. Step 5: Solve for x
    x = 161,110,713.60/13,954.08
  6. Step 6: Final answer
    x = 11,545.78

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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.