Home / 16,190.55-22,344.01-9,817.72

Finding the Fourth Proportional to 16,190.55, 22,344.01 and 9,817.72

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Solution

The fourth proportional to 16,190.55, 22,344.01 and 9,817.72 is: 13,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.55 : 22,344.01 = 9,817.72 : x
  2. Step 2: Convert to fraction form
    16,190.55/22,344.01 = 9,817.72/x
  3. Step 3: Cross multiply
    16,190.55x = 22,344.01 × 9,817.72
  4. Step 4: Simplify right side
    16,190.55x = 219,367,122.14
  5. Step 5: Solve for x
    x = 219,367,122.14/16,190.55
  6. Step 6: Final answer
    x = 13,549.09

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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.