Home / 19,761.50-27,271.62-11,264.96

Finding the Fourth Proportional to 19,761.50, 27,271.62 and 11,264.96

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Solution

The fourth proportional to 19,761.50, 27,271.62 and 11,264.96 is: 15,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.50 : 27,271.62 = 11,264.96 : x
  2. Step 2: Convert to fraction form
    19,761.50/27,271.62 = 11,264.96/x
  3. Step 3: Cross multiply
    19,761.50x = 27,271.62 × 11,264.96
  4. Step 4: Simplify right side
    19,761.50x = 307,213,572.08
  5. Step 5: Solve for x
    x = 307,213,572.08/19,761.50
  6. Step 6: Final answer
    x = 15,546.07

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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.