Home / 13,247.31-19,863.95-11,750.43

Finding the Fourth Proportional to 13,247.31, 19,863.95 and 11,750.43

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Solution

The fourth proportional to 13,247.31, 19,863.95 and 11,750.43 is: 17,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.31 : 19,863.95 = 11,750.43 : x
  2. Step 2: Convert to fraction form
    13,247.31/19,863.95 = 11,750.43/x
  3. Step 3: Cross multiply
    13,247.31x = 19,863.95 × 11,750.43
  4. Step 4: Simplify right side
    13,247.31x = 233,409,895.25
  5. Step 5: Solve for x
    x = 233,409,895.25/13,247.31
  6. Step 6: Final answer
    x = 17,619.42

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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.