Home / 13,739.97-20,597.79-6,716.05

Finding the Fourth Proportional to 13,739.97, 20,597.79 and 6,716.05

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Solution

The fourth proportional to 13,739.97, 20,597.79 and 6,716.05 is: 10,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.97 : 20,597.79 = 6,716.05 : x
  2. Step 2: Convert to fraction form
    13,739.97/20,597.79 = 6,716.05/x
  3. Step 3: Cross multiply
    13,739.97x = 20,597.79 × 6,716.05
  4. Step 4: Simplify right side
    13,739.97x = 138,335,787.53
  5. Step 5: Solve for x
    x = 138,335,787.53/13,739.97
  6. Step 6: Final answer
    x = 10,068.13

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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.