Home / 18,370.16-25,321.72-16,844.68

Finding the Fourth Proportional to 18,370.16, 25,321.72 and 16,844.68

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Solution

The fourth proportional to 18,370.16, 25,321.72 and 16,844.68 is: 23,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.16 : 25,321.72 = 16,844.68 : x
  2. Step 2: Convert to fraction form
    18,370.16/25,321.72 = 16,844.68/x
  3. Step 3: Cross multiply
    18,370.16x = 25,321.72 × 16,844.68
  4. Step 4: Simplify right side
    18,370.16x = 426,536,270.45
  5. Step 5: Solve for x
    x = 426,536,270.45/18,370.16
  6. Step 6: Final answer
    x = 23,218.97

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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.