Home / 18,694.08-28,038.15-6,213.06

Finding the Fourth Proportional to 18,694.08, 28,038.15 and 6,213.06

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Solution

The fourth proportional to 18,694.08, 28,038.15 and 6,213.06 is: 9,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.08 : 28,038.15 = 6,213.06 : x
  2. Step 2: Convert to fraction form
    18,694.08/28,038.15 = 6,213.06/x
  3. Step 3: Cross multiply
    18,694.08x = 28,038.15 × 6,213.06
  4. Step 4: Simplify right side
    18,694.08x = 174,202,708.24
  5. Step 5: Solve for x
    x = 174,202,708.24/18,694.08
  6. Step 6: Final answer
    x = 9,318.60

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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.