Home / 20,098.08-27,730.08-11,708.64

Finding the Fourth Proportional to 20,098.08, 27,730.08 and 11,708.64

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Solution

The fourth proportional to 20,098.08, 27,730.08 and 11,708.64 is: 16,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.08 : 27,730.08 = 11,708.64 : x
  2. Step 2: Convert to fraction form
    20,098.08/27,730.08 = 11,708.64/x
  3. Step 3: Cross multiply
    20,098.08x = 27,730.08 × 11,708.64
  4. Step 4: Simplify right side
    20,098.08x = 324,681,523.89
  5. Step 5: Solve for x
    x = 324,681,523.89/20,098.08
  6. Step 6: Final answer
    x = 16,154.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.