Home / 19,662.28-27,133.60-11,704.32

Finding the Fourth Proportional to 19,662.28, 27,133.60 and 11,704.32

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Solution

The fourth proportional to 19,662.28, 27,133.60 and 11,704.32 is: 16,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.28 : 27,133.60 = 11,704.32 : x
  2. Step 2: Convert to fraction form
    19,662.28/27,133.60 = 11,704.32/x
  3. Step 3: Cross multiply
    19,662.28x = 27,133.60 × 11,704.32
  4. Step 4: Simplify right side
    19,662.28x = 317,580,337.15
  5. Step 5: Solve for x
    x = 317,580,337.15/19,662.28
  6. Step 6: Final answer
    x = 16,151.76

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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.