Home / 15,050.37-20,768.60-8,335.60

Finding the Fourth Proportional to 15,050.37, 20,768.60 and 8,335.60

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Solution

The fourth proportional to 15,050.37, 20,768.60 and 8,335.60 is: 11,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.37 : 20,768.60 = 8,335.60 : x
  2. Step 2: Convert to fraction form
    15,050.37/20,768.60 = 8,335.60/x
  3. Step 3: Cross multiply
    15,050.37x = 20,768.60 × 8,335.60
  4. Step 4: Simplify right side
    15,050.37x = 173,118,648.56
  5. Step 5: Solve for x
    x = 173,118,648.56/15,050.37
  6. Step 6: Final answer
    x = 11,502.62

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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.