Home / 18,356.17-27,517.56-6,666.67

Finding the Fourth Proportional to 18,356.17, 27,517.56 and 6,666.67

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Solution

The fourth proportional to 18,356.17, 27,517.56 and 6,666.67 is: 9,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.17 : 27,517.56 = 6,666.67 : x
  2. Step 2: Convert to fraction form
    18,356.17/27,517.56 = 6,666.67/x
  3. Step 3: Cross multiply
    18,356.17x = 27,517.56 × 6,666.67
  4. Step 4: Simplify right side
    18,356.17x = 183,450,491.73
  5. Step 5: Solve for x
    x = 183,450,491.73/18,356.17
  6. Step 6: Final answer
    x = 9,993.94

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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.