Home / 20,069.57-27,696.26-11,117.25

Finding the Fourth Proportional to 20,069.57, 27,696.26 and 11,117.25

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Solution

The fourth proportional to 20,069.57, 27,696.26 and 11,117.25 is: 15,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.57 : 27,696.26 = 11,117.25 : x
  2. Step 2: Convert to fraction form
    20,069.57/27,696.26 = 11,117.25/x
  3. Step 3: Cross multiply
    20,069.57x = 27,696.26 × 11,117.25
  4. Step 4: Simplify right side
    20,069.57x = 307,906,274.28
  5. Step 5: Solve for x
    x = 307,906,274.28/20,069.57
  6. Step 6: Final answer
    x = 15,341.94

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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.