Home / 18,800.82-28,035.33-18,632.10

Finding the Fourth Proportional to 18,800.82, 28,035.33 and 18,632.10

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Solution

The fourth proportional to 18,800.82, 28,035.33 and 18,632.10 is: 27,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.82 : 28,035.33 = 18,632.10 : x
  2. Step 2: Convert to fraction form
    18,800.82/28,035.33 = 18,632.10/x
  3. Step 3: Cross multiply
    18,800.82x = 28,035.33 × 18,632.10
  4. Step 4: Simplify right side
    18,800.82x = 522,357,072.09
  5. Step 5: Solve for x
    x = 522,357,072.09/18,800.82
  6. Step 6: Final answer
    x = 27,783.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.