Home / 27,173.28-40,752.36-18,461.64

Finding the Fourth Proportional to 27,173.28, 40,752.36 and 18,461.64

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Solution

The fourth proportional to 27,173.28, 40,752.36 and 18,461.64 is: 27,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.28 : 40,752.36 = 18,461.64 : x
  2. Step 2: Convert to fraction form
    27,173.28/40,752.36 = 18,461.64/x
  3. Step 3: Cross multiply
    27,173.28x = 40,752.36 × 18,461.64
  4. Step 4: Simplify right side
    27,173.28x = 752,355,399.47
  5. Step 5: Solve for x
    x = 752,355,399.47/27,173.28
  6. Step 6: Final answer
    x = 27,687.32

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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.