Home / 18,369.16-25,320.34-16,843.68

Finding the Fourth Proportional to 18,369.16, 25,320.34 and 16,843.68

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Solution

The fourth proportional to 18,369.16, 25,320.34 and 16,843.68 is: 23,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.16 : 25,320.34 = 16,843.68 : x
  2. Step 2: Convert to fraction form
    18,369.16/25,320.34 = 16,843.68/x
  3. Step 3: Cross multiply
    18,369.16x = 25,320.34 × 16,843.68
  4. Step 4: Simplify right side
    18,369.16x = 426,487,704.45
  5. Step 5: Solve for x
    x = 426,487,704.45/18,369.16
  6. Step 6: Final answer
    x = 23,217.59

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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.