Home / 13,844.82-20,722.05-10,539.66

Finding the Fourth Proportional to 13,844.82, 20,722.05 and 10,539.66

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Solution

The fourth proportional to 13,844.82, 20,722.05 and 10,539.66 is: 15,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.82 : 20,722.05 = 10,539.66 : x
  2. Step 2: Convert to fraction form
    13,844.82/20,722.05 = 10,539.66/x
  3. Step 3: Cross multiply
    13,844.82x = 20,722.05 × 10,539.66
  4. Step 4: Simplify right side
    13,844.82x = 218,403,361.50
  5. Step 5: Solve for x
    x = 218,403,361.50/13,844.82
  6. Step 6: Final answer
    x = 15,775.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.