Home / 21,393.70-29,524.68-11,962.27

Finding the Fourth Proportional to 21,393.70, 29,524.68 and 11,962.27

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Solution

The fourth proportional to 21,393.70, 29,524.68 and 11,962.27 is: 16,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.70 : 29,524.68 = 11,962.27 : x
  2. Step 2: Convert to fraction form
    21,393.70/29,524.68 = 11,962.27/x
  3. Step 3: Cross multiply
    21,393.70x = 29,524.68 × 11,962.27
  4. Step 4: Simplify right side
    21,393.70x = 353,182,031.01
  5. Step 5: Solve for x
    x = 353,182,031.01/21,393.70
  6. Step 6: Final answer
    x = 16,508.69

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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.