Home / 18,216.43-27,294.57-8,333.92

Finding the Fourth Proportional to 18,216.43, 27,294.57 and 8,333.92

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Solution

The fourth proportional to 18,216.43, 27,294.57 and 8,333.92 is: 12,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.43 : 27,294.57 = 8,333.92 : x
  2. Step 2: Convert to fraction form
    18,216.43/27,294.57 = 8,333.92/x
  3. Step 3: Cross multiply
    18,216.43x = 27,294.57 × 8,333.92
  4. Step 4: Simplify right side
    18,216.43x = 227,470,762.81
  5. Step 5: Solve for x
    x = 227,470,762.81/18,216.43
  6. Step 6: Final answer
    x = 12,487.12

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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.