Home / 19,928.63-27,500.92-10,976.11

Finding the Fourth Proportional to 19,928.63, 27,500.92 and 10,976.11

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Solution

The fourth proportional to 19,928.63, 27,500.92 and 10,976.11 is: 15,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.63 : 27,500.92 = 10,976.11 : x
  2. Step 2: Convert to fraction form
    19,928.63/27,500.92 = 10,976.11/x
  3. Step 3: Cross multiply
    19,928.63x = 27,500.92 × 10,976.11
  4. Step 4: Simplify right side
    19,928.63x = 301,853,026.83
  5. Step 5: Solve for x
    x = 301,853,026.83/19,928.63
  6. Step 6: Final answer
    x = 15,146.70

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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.