Home / 27,173.10-40,739.12-17,815.48

Finding the Fourth Proportional to 27,173.10, 40,739.12 and 17,815.48

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Solution

The fourth proportional to 27,173.10, 40,739.12 and 17,815.48 is: 26,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.10 : 40,739.12 = 17,815.48 : x
  2. Step 2: Convert to fraction form
    27,173.10/40,739.12 = 17,815.48/x
  3. Step 3: Cross multiply
    27,173.10x = 40,739.12 × 17,815.48
  4. Step 4: Simplify right side
    27,173.10x = 725,786,853.46
  5. Step 5: Solve for x
    x = 725,786,853.46/27,173.10
  6. Step 6: Final answer
    x = 26,709.75

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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.