Home / 27,019.92-40,528.68-8,299.20

Finding the Fourth Proportional to 27,019.92, 40,528.68 and 8,299.20

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Solution

The fourth proportional to 27,019.92, 40,528.68 and 8,299.20 is: 12,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.92 : 40,528.68 = 8,299.20 : x
  2. Step 2: Convert to fraction form
    27,019.92/40,528.68 = 8,299.20/x
  3. Step 3: Cross multiply
    27,019.92x = 40,528.68 × 8,299.20
  4. Step 4: Simplify right side
    27,019.92x = 336,355,621.06
  5. Step 5: Solve for x
    x = 336,355,621.06/27,019.92
  6. Step 6: Final answer
    x = 12,448.43

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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.