Home / 20,334.75-28,062.55-11,835.52

Finding the Fourth Proportional to 20,334.75, 28,062.55 and 11,835.52

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Solution

The fourth proportional to 20,334.75, 28,062.55 and 11,835.52 is: 16,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.75 : 28,062.55 = 11,835.52 : x
  2. Step 2: Convert to fraction form
    20,334.75/28,062.55 = 11,835.52/x
  3. Step 3: Cross multiply
    20,334.75x = 28,062.55 × 11,835.52
  4. Step 4: Simplify right side
    20,334.75x = 332,134,816.41
  5. Step 5: Solve for x
    x = 332,134,816.41/20,334.75
  6. Step 6: Final answer
    x = 16,333.36

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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.