Home / 27,660.48-38,170.15-16,923.21

Finding the Fourth Proportional to 27,660.48, 38,170.15 and 16,923.21

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Solution

The fourth proportional to 27,660.48, 38,170.15 and 16,923.21 is: 23,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.48 : 38,170.15 = 16,923.21 : x
  2. Step 2: Convert to fraction form
    27,660.48/38,170.15 = 16,923.21/x
  3. Step 3: Cross multiply
    27,660.48x = 38,170.15 × 16,923.21
  4. Step 4: Simplify right side
    27,660.48x = 645,961,464.18
  5. Step 5: Solve for x
    x = 645,961,464.18/27,660.48
  6. Step 6: Final answer
    x = 23,353.23

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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.