Home / 14,149.16-21,226.81-4,289.20

Finding the Fourth Proportional to 14,149.16, 21,226.81 and 4,289.20

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Solution

The fourth proportional to 14,149.16, 21,226.81 and 4,289.20 is: 6,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.16 : 21,226.81 = 4,289.20 : x
  2. Step 2: Convert to fraction form
    14,149.16/21,226.81 = 4,289.20/x
  3. Step 3: Cross multiply
    14,149.16x = 21,226.81 × 4,289.20
  4. Step 4: Simplify right side
    14,149.16x = 91,046,033.45
  5. Step 5: Solve for x
    x = 91,046,033.45/14,149.16
  6. Step 6: Final answer
    x = 6,434.73

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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.