Home / 18,819.68-25,905.96-16,266.26

Finding the Fourth Proportional to 18,819.68, 25,905.96 and 16,266.26

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Solution

The fourth proportional to 18,819.68, 25,905.96 and 16,266.26 is: 22,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.68 : 25,905.96 = 16,266.26 : x
  2. Step 2: Convert to fraction form
    18,819.68/25,905.96 = 16,266.26/x
  3. Step 3: Cross multiply
    18,819.68x = 25,905.96 × 16,266.26
  4. Step 4: Simplify right side
    18,819.68x = 421,393,080.91
  5. Step 5: Solve for x
    x = 421,393,080.91/18,819.68
  6. Step 6: Final answer
    x = 22,391.09

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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.