Home / 53,623.76-80,435.66-18,544.28

Finding the Fourth Proportional to 53,623.76, 80,435.66 and 18,544.28

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Solution

The fourth proportional to 53,623.76, 80,435.66 and 18,544.28 is: 27,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,623.76 : 80,435.66 = 18,544.28 : x
  2. Step 2: Convert to fraction form
    53,623.76/80,435.66 = 18,544.28/x
  3. Step 3: Cross multiply
    53,623.76x = 80,435.66 × 18,544.28
  4. Step 4: Simplify right side
    53,623.76x = 1,491,621,401.02
  5. Step 5: Solve for x
    x = 1,491,621,401.02/53,623.76
  6. Step 6: Final answer
    x = 27,816.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.