Home / 14,246.28-21,369.66-5,481.64

Finding the Fourth Proportional to 14,246.28, 21,369.66 and 5,481.64

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Solution

The fourth proportional to 14,246.28, 21,369.66 and 5,481.64 is: 8,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.28 : 21,369.66 = 5,481.64 : x
  2. Step 2: Convert to fraction form
    14,246.28/21,369.66 = 5,481.64/x
  3. Step 3: Cross multiply
    14,246.28x = 21,369.66 × 5,481.64
  4. Step 4: Simplify right side
    14,246.28x = 117,140,783.04
  5. Step 5: Solve for x
    x = 117,140,783.04/14,246.28
  6. Step 6: Final answer
    x = 8,222.55

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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.