Home / 19,984.12-27,577.70-11,031.10

Finding the Fourth Proportional to 19,984.12, 27,577.70 and 11,031.10

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Solution

The fourth proportional to 19,984.12, 27,577.70 and 11,031.10 is: 15,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.12 : 27,577.70 = 11,031.10 : x
  2. Step 2: Convert to fraction form
    19,984.12/27,577.70 = 11,031.10/x
  3. Step 3: Cross multiply
    19,984.12x = 27,577.70 × 11,031.10
  4. Step 4: Simplify right side
    19,984.12x = 304,212,366.47
  5. Step 5: Solve for x
    x = 304,212,366.47/19,984.12
  6. Step 6: Final answer
    x = 15,222.71

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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.