Home / 18,716.74-28,065.69-6,232.32

Finding the Fourth Proportional to 18,716.74, 28,065.69 and 6,232.32

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Solution

The fourth proportional to 18,716.74, 28,065.69 and 6,232.32 is: 9,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.74 : 28,065.69 = 6,232.32 : x
  2. Step 2: Convert to fraction form
    18,716.74/28,065.69 = 6,232.32/x
  3. Step 3: Cross multiply
    18,716.74x = 28,065.69 × 6,232.32
  4. Step 4: Simplify right side
    18,716.74x = 174,914,361.10
  5. Step 5: Solve for x
    x = 174,914,361.10/18,716.74
  6. Step 6: Final answer
    x = 9,345.34

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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.