Home / 14,197.46-21,280.89-6,786.16

Finding the Fourth Proportional to 14,197.46, 21,280.89 and 6,786.16

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Solution

The fourth proportional to 14,197.46, 21,280.89 and 6,786.16 is: 10,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.46 : 21,280.89 = 6,786.16 : x
  2. Step 2: Convert to fraction form
    14,197.46/21,280.89 = 6,786.16/x
  3. Step 3: Cross multiply
    14,197.46x = 21,280.89 × 6,786.16
  4. Step 4: Simplify right side
    14,197.46x = 144,415,418.08
  5. Step 5: Solve for x
    x = 144,415,418.08/14,197.46
  6. Step 6: Final answer
    x = 10,171.92

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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.