Home / 13,001.20-19,499.34-4,236.44

Finding the Fourth Proportional to 13,001.20, 19,499.34 and 4,236.44

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Solution

The fourth proportional to 13,001.20, 19,499.34 and 4,236.44 is: 6,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.20 : 19,499.34 = 4,236.44 : x
  2. Step 2: Convert to fraction form
    13,001.20/19,499.34 = 4,236.44/x
  3. Step 3: Cross multiply
    13,001.20x = 19,499.34 × 4,236.44
  4. Step 4: Simplify right side
    13,001.20x = 82,607,783.95
  5. Step 5: Solve for x
    x = 82,607,783.95/13,001.20
  6. Step 6: Final answer
    x = 6,353.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.