Home / 18,531.62-25,522.29-16,012.94

Finding the Fourth Proportional to 18,531.62, 25,522.29 and 16,012.94

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Solution

The fourth proportional to 18,531.62, 25,522.29 and 16,012.94 is: 22,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.62 : 25,522.29 = 16,012.94 : x
  2. Step 2: Convert to fraction form
    18,531.62/25,522.29 = 16,012.94/x
  3. Step 3: Cross multiply
    18,531.62x = 25,522.29 × 16,012.94
  4. Step 4: Simplify right side
    18,531.62x = 408,686,898.43
  5. Step 5: Solve for x
    x = 408,686,898.43/18,531.62
  6. Step 6: Final answer
    x = 22,053.49

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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.