Home / 18,234.73-27,345.83-8,868.75

Finding the Fourth Proportional to 18,234.73, 27,345.83 and 8,868.75

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Solution

The fourth proportional to 18,234.73, 27,345.83 and 8,868.75 is: 13,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.73 : 27,345.83 = 8,868.75 : x
  2. Step 2: Convert to fraction form
    18,234.73/27,345.83 = 8,868.75/x
  3. Step 3: Cross multiply
    18,234.73x = 27,345.83 × 8,868.75
  4. Step 4: Simplify right side
    18,234.73x = 242,523,329.81
  5. Step 5: Solve for x
    x = 242,523,329.81/18,234.73
  6. Step 6: Final answer
    x = 13,300.08

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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.