Home / 19,806-27,332.28-11,848.56

Finding the Fourth Proportional to 19,806, 27,332.28 and 11,848.56

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Solution

The fourth proportional to 19,806, 27,332.28 and 11,848.56 is: 16,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806 : 27,332.28 = 11,848.56 : x
  2. Step 2: Convert to fraction form
    19,806/27,332.28 = 11,848.56/x
  3. Step 3: Cross multiply
    19,806x = 27,332.28 × 11,848.56
  4. Step 4: Simplify right side
    19,806x = 323,848,159.52
  5. Step 5: Solve for x
    x = 323,848,159.52/19,806
  6. Step 6: Final answer
    x = 16,351.01

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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.