Home / 13,284.46-19,928.52-4,517.02

Finding the Fourth Proportional to 13,284.46, 19,928.52 and 4,517.02

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Solution

The fourth proportional to 13,284.46, 19,928.52 and 4,517.02 is: 6,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.46 : 19,928.52 = 4,517.02 : x
  2. Step 2: Convert to fraction form
    13,284.46/19,928.52 = 4,517.02/x
  3. Step 3: Cross multiply
    13,284.46x = 19,928.52 × 4,517.02
  4. Step 4: Simplify right side
    13,284.46x = 90,017,523.41
  5. Step 5: Solve for x
    x = 90,017,523.41/13,284.46
  6. Step 6: Final answer
    x = 6,776.15

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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.