Home / 27,688.50-41,539.68-7,966.62

Finding the Fourth Proportional to 27,688.50, 41,539.68 and 7,966.62

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Solution

The fourth proportional to 27,688.50, 41,539.68 and 7,966.62 is: 11,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.50 : 41,539.68 = 7,966.62 : x
  2. Step 2: Convert to fraction form
    27,688.50/41,539.68 = 7,966.62/x
  3. Step 3: Cross multiply
    27,688.50x = 41,539.68 × 7,966.62
  4. Step 4: Simplify right side
    27,688.50x = 330,930,845.48
  5. Step 5: Solve for x
    x = 330,930,845.48/27,688.50
  6. Step 6: Final answer
    x = 11,951.92

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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.