Home / 13,961.50-19,258.22-9,182

Finding the Fourth Proportional to 13,961.50, 19,258.22 and 9,182

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Solution

The fourth proportional to 13,961.50, 19,258.22 and 9,182 is: 12,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.50 : 19,258.22 = 9,182 : x
  2. Step 2: Convert to fraction form
    13,961.50/19,258.22 = 9,182/x
  3. Step 3: Cross multiply
    13,961.50x = 19,258.22 × 9,182
  4. Step 4: Simplify right side
    13,961.50x = 176,828,976.04
  5. Step 5: Solve for x
    x = 176,828,976.04/13,961.50
  6. Step 6: Final answer
    x = 12,665.47

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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.