Home / 14,228.28-21,324.06-6,817.32

Finding the Fourth Proportional to 14,228.28, 21,324.06 and 6,817.32

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Solution

The fourth proportional to 14,228.28, 21,324.06 and 6,817.32 is: 10,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.28 : 21,324.06 = 6,817.32 : x
  2. Step 2: Convert to fraction form
    14,228.28/21,324.06 = 6,817.32/x
  3. Step 3: Cross multiply
    14,228.28x = 21,324.06 × 6,817.32
  4. Step 4: Simplify right side
    14,228.28x = 145,372,940.72
  5. Step 5: Solve for x
    x = 145,372,940.72/14,228.28
  6. Step 6: Final answer
    x = 10,217.18

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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.