Home / 18,767.14-28,148.73-6,285.85

Finding the Fourth Proportional to 18,767.14, 28,148.73 and 6,285.85

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Solution

The fourth proportional to 18,767.14, 28,148.73 and 6,285.85 is: 9,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.14 : 28,148.73 = 6,285.85 : x
  2. Step 2: Convert to fraction form
    18,767.14/28,148.73 = 6,285.85/x
  3. Step 3: Cross multiply
    18,767.14x = 28,148.73 × 6,285.85
  4. Step 4: Simplify right side
    18,767.14x = 176,938,694.47
  5. Step 5: Solve for x
    x = 176,938,694.47/18,767.14
  6. Step 6: Final answer
    x = 9,428.11

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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.