Home / 20,814.16-28,736.68-16,044.08

Finding the Fourth Proportional to 20,814.16, 28,736.68 and 16,044.08

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Solution

The fourth proportional to 20,814.16, 28,736.68 and 16,044.08 is: 22,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814.16 : 28,736.68 = 16,044.08 : x
  2. Step 2: Convert to fraction form
    20,814.16/28,736.68 = 16,044.08/x
  3. Step 3: Cross multiply
    20,814.16x = 28,736.68 × 16,044.08
  4. Step 4: Simplify right side
    20,814.16x = 461,053,592.85
  5. Step 5: Solve for x
    x = 461,053,592.85/20,814.16
  6. Step 6: Final answer
    x = 22,150.96

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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.