Home / 20,012.86-27,615.39-11,059.83

Finding the Fourth Proportional to 20,012.86, 27,615.39 and 11,059.83

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Solution

The fourth proportional to 20,012.86, 27,615.39 and 11,059.83 is: 15,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.86 : 27,615.39 = 11,059.83 : x
  2. Step 2: Convert to fraction form
    20,012.86/27,615.39 = 11,059.83/x
  3. Step 3: Cross multiply
    20,012.86x = 27,615.39 × 11,059.83
  4. Step 4: Simplify right side
    20,012.86x = 305,421,518.78
  5. Step 5: Solve for x
    x = 305,421,518.78/20,012.86
  6. Step 6: Final answer
    x = 15,261.26

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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.