Home / 20,261.83-27,976.14-13,095.99

Finding the Fourth Proportional to 20,261.83, 27,976.14 and 13,095.99

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Solution

The fourth proportional to 20,261.83, 27,976.14 and 13,095.99 is: 18,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.83 : 27,976.14 = 13,095.99 : x
  2. Step 2: Convert to fraction form
    20,261.83/27,976.14 = 13,095.99/x
  3. Step 3: Cross multiply
    20,261.83x = 27,976.14 × 13,095.99
  4. Step 4: Simplify right side
    20,261.83x = 366,375,109.80
  5. Step 5: Solve for x
    x = 366,375,109.80/20,261.83
  6. Step 6: Final answer
    x = 18,082.03

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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.