Home / 20,180.82-27,841.86-14,888.28

Finding the Fourth Proportional to 20,180.82, 27,841.86 and 14,888.28

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Solution

The fourth proportional to 20,180.82, 27,841.86 and 14,888.28 is: 20,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.82 : 27,841.86 = 14,888.28 : x
  2. Step 2: Convert to fraction form
    20,180.82/27,841.86 = 14,888.28/x
  3. Step 3: Cross multiply
    20,180.82x = 27,841.86 × 14,888.28
  4. Step 4: Simplify right side
    20,180.82x = 414,517,407.40
  5. Step 5: Solve for x
    x = 414,517,407.40/20,180.82
  6. Step 6: Final answer
    x = 20,540.17

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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.