Home / 14,229.90-21,331.61-6,328.26

Finding the Fourth Proportional to 14,229.90, 21,331.61 and 6,328.26

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Solution

The fourth proportional to 14,229.90, 21,331.61 and 6,328.26 is: 9,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.90 : 21,331.61 = 6,328.26 : x
  2. Step 2: Convert to fraction form
    14,229.90/21,331.61 = 6,328.26/x
  3. Step 3: Cross multiply
    14,229.90x = 21,331.61 × 6,328.26
  4. Step 4: Simplify right side
    14,229.90x = 134,991,942.66
  5. Step 5: Solve for x
    x = 134,991,942.66/14,229.90
  6. Step 6: Final answer
    x = 9,486.50

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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.