Home / 18,568.41-27,849.63-5,417.70

Finding the Fourth Proportional to 18,568.41, 27,849.63 and 5,417.70

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Solution

The fourth proportional to 18,568.41, 27,849.63 and 5,417.70 is: 8,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.41 : 27,849.63 = 5,417.70 : x
  2. Step 2: Convert to fraction form
    18,568.41/27,849.63 = 5,417.70/x
  3. Step 3: Cross multiply
    18,568.41x = 27,849.63 × 5,417.70
  4. Step 4: Simplify right side
    18,568.41x = 150,880,940.45
  5. Step 5: Solve for x
    x = 150,880,940.45/18,568.41
  6. Step 6: Final answer
    x = 8,125.68

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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.