Home / 14,206.28-21,309.62-5,441.64

Finding the Fourth Proportional to 14,206.28, 21,309.62 and 5,441.64

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Solution

The fourth proportional to 14,206.28, 21,309.62 and 5,441.64 is: 8,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.28 : 21,309.62 = 5,441.64 : x
  2. Step 2: Convert to fraction form
    14,206.28/21,309.62 = 5,441.64/x
  3. Step 3: Cross multiply
    14,206.28x = 21,309.62 × 5,441.64
  4. Step 4: Simplify right side
    14,206.28x = 115,959,280.58
  5. Step 5: Solve for x
    x = 115,959,280.58/14,206.28
  6. Step 6: Final answer
    x = 8,162.54

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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.