Home / 18,397.80-27,596.70-10,998.45

Finding the Fourth Proportional to 18,397.80, 27,596.70 and 10,998.45

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Solution

The fourth proportional to 18,397.80, 27,596.70 and 10,998.45 is: 16,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.80 : 27,596.70 = 10,998.45 : x
  2. Step 2: Convert to fraction form
    18,397.80/27,596.70 = 10,998.45/x
  3. Step 3: Cross multiply
    18,397.80x = 27,596.70 × 10,998.45
  4. Step 4: Simplify right side
    18,397.80x = 303,520,925.12
  5. Step 5: Solve for x
    x = 303,520,925.12/18,397.80
  6. Step 6: Final answer
    x = 16,497.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.