Home / 14,107.93-21,162.33-4,247.28

Finding the Fourth Proportional to 14,107.93, 21,162.33 and 4,247.28

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Solution

The fourth proportional to 14,107.93, 21,162.33 and 4,247.28 is: 6,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.93 : 21,162.33 = 4,247.28 : x
  2. Step 2: Convert to fraction form
    14,107.93/21,162.33 = 4,247.28/x
  3. Step 3: Cross multiply
    14,107.93x = 21,162.33 × 4,247.28
  4. Step 4: Simplify right side
    14,107.93x = 89,882,340.96
  5. Step 5: Solve for x
    x = 89,882,340.96/14,107.93
  6. Step 6: Final answer
    x = 6,371.05

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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.