Home / 20,011.60-27,616.56-11,059.66

Finding the Fourth Proportional to 20,011.60, 27,616.56 and 11,059.66

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Solution

The fourth proportional to 20,011.60, 27,616.56 and 11,059.66 is: 15,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.60 : 27,616.56 = 11,059.66 : x
  2. Step 2: Convert to fraction form
    20,011.60/27,616.56 = 11,059.66/x
  3. Step 3: Cross multiply
    20,011.60x = 27,616.56 × 11,059.66
  4. Step 4: Simplify right side
    20,011.60x = 305,429,708.67
  5. Step 5: Solve for x
    x = 305,429,708.67/20,011.60
  6. Step 6: Final answer
    x = 15,262.64

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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.