Home / 20,071.17-27,698.25-10,996.33

Finding the Fourth Proportional to 20,071.17, 27,698.25 and 10,996.33

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Solution

The fourth proportional to 20,071.17, 27,698.25 and 10,996.33 is: 15,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.17 : 27,698.25 = 10,996.33 : x
  2. Step 2: Convert to fraction form
    20,071.17/27,698.25 = 10,996.33/x
  3. Step 3: Cross multiply
    20,071.17x = 27,698.25 × 10,996.33
  4. Step 4: Simplify right side
    20,071.17x = 304,579,097.42
  5. Step 5: Solve for x
    x = 304,579,097.42/20,071.17
  6. Step 6: Final answer
    x = 15,174.95

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1.5x scale

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.