Home / 13,724.58-20,577.56-4,361.79

Finding the Fourth Proportional to 13,724.58, 20,577.56 and 4,361.79

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Solution

The fourth proportional to 13,724.58, 20,577.56 and 4,361.79 is: 6,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.58 : 20,577.56 = 4,361.79 : x
  2. Step 2: Convert to fraction form
    13,724.58/20,577.56 = 4,361.79/x
  3. Step 3: Cross multiply
    13,724.58x = 20,577.56 × 4,361.79
  4. Step 4: Simplify right side
    13,724.58x = 89,754,973.62
  5. Step 5: Solve for x
    x = 89,754,973.62/13,724.58
  6. Step 6: Final answer
    x = 6,539.72

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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.