Home / 18,530.62-25,520.91-16,011.94

Finding the Fourth Proportional to 18,530.62, 25,520.91 and 16,011.94

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Solution

The fourth proportional to 18,530.62, 25,520.91 and 16,011.94 is: 22,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.62 : 25,520.91 = 16,011.94 : x
  2. Step 2: Convert to fraction form
    18,530.62/25,520.91 = 16,011.94/x
  3. Step 3: Cross multiply
    18,530.62x = 25,520.91 × 16,011.94
  4. Step 4: Simplify right side
    18,530.62x = 408,639,279.67
  5. Step 5: Solve for x
    x = 408,639,279.67/18,530.62
  6. Step 6: Final answer
    x = 22,052.11

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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.