Home / 20,070.45-27,696.42-10,996.02

Finding the Fourth Proportional to 20,070.45, 27,696.42 and 10,996.02

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Solution

The fourth proportional to 20,070.45, 27,696.42 and 10,996.02 is: 15,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.45 : 27,696.42 = 10,996.02 : x
  2. Step 2: Convert to fraction form
    20,070.45/27,696.42 = 10,996.02/x
  3. Step 3: Cross multiply
    20,070.45x = 27,696.42 × 10,996.02
  4. Step 4: Simplify right side
    20,070.45x = 304,550,388.25
  5. Step 5: Solve for x
    x = 304,550,388.25/20,070.45
  6. Step 6: Final answer
    x = 15,174.07

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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.