Home / 20,068.17-27,693.77-10,993.46

Finding the Fourth Proportional to 20,068.17, 27,693.77 and 10,993.46

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Solution

The fourth proportional to 20,068.17, 27,693.77 and 10,993.46 is: 15,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.17 : 27,693.77 = 10,993.46 : x
  2. Step 2: Convert to fraction form
    20,068.17/27,693.77 = 10,993.46/x
  3. Step 3: Cross multiply
    20,068.17x = 27,693.77 × 10,993.46
  4. Step 4: Simplify right side
    20,068.17x = 304,450,297.78
  5. Step 5: Solve for x
    x = 304,450,297.78/20,068.17
  6. Step 6: Final answer
    x = 15,170.81

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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.