Home / 21,226.24-29,292-11,794.60

Finding the Fourth Proportional to 21,226.24, 29,292 and 11,794.60

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Solution

The fourth proportional to 21,226.24, 29,292 and 11,794.60 is: 16,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.24 : 29,292 = 11,794.60 : x
  2. Step 2: Convert to fraction form
    21,226.24/29,292 = 11,794.60/x
  3. Step 3: Cross multiply
    21,226.24x = 29,292 × 11,794.60
  4. Step 4: Simplify right side
    21,226.24x = 345,487,423.20
  5. Step 5: Solve for x
    x = 345,487,423.20/21,226.24
  6. Step 6: Final answer
    x = 16,276.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.