Home / 26,769.20-36,929.64-18,816.62

Finding the Fourth Proportional to 26,769.20, 36,929.64 and 18,816.62

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Solution

The fourth proportional to 26,769.20, 36,929.64 and 18,816.62 is: 25,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.20 : 36,929.64 = 18,816.62 : x
  2. Step 2: Convert to fraction form
    26,769.20/36,929.64 = 18,816.62/x
  3. Step 3: Cross multiply
    26,769.20x = 36,929.64 × 18,816.62
  4. Step 4: Simplify right side
    26,769.20x = 694,891,002.62
  5. Step 5: Solve for x
    x = 694,891,002.62/26,769.20
  6. Step 6: Final answer
    x = 25,958.60

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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.