Home / 27,107.68-40,659.12-9,576.64

Finding the Fourth Proportional to 27,107.68, 40,659.12 and 9,576.64

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Solution

The fourth proportional to 27,107.68, 40,659.12 and 9,576.64 is: 14,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.68 : 40,659.12 = 9,576.64 : x
  2. Step 2: Convert to fraction form
    27,107.68/40,659.12 = 9,576.64/x
  3. Step 3: Cross multiply
    27,107.68x = 40,659.12 × 9,576.64
  4. Step 4: Simplify right side
    27,107.68x = 389,377,754.96
  5. Step 5: Solve for x
    x = 389,377,754.96/27,107.68
  6. Step 6: Final answer
    x = 14,364.11

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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.