Home / 14,215.92-21,324.02-5,448.75

Finding the Fourth Proportional to 14,215.92, 21,324.02 and 5,448.75

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Solution

The fourth proportional to 14,215.92, 21,324.02 and 5,448.75 is: 8,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.92 : 21,324.02 = 5,448.75 : x
  2. Step 2: Convert to fraction form
    14,215.92/21,324.02 = 5,448.75/x
  3. Step 3: Cross multiply
    14,215.92x = 21,324.02 × 5,448.75
  4. Step 4: Simplify right side
    14,215.92x = 116,189,226.73
  5. Step 5: Solve for x
    x = 116,189,226.73/14,215.92
  6. Step 6: Final answer
    x = 8,173.18

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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.