Home / 13,115.66-19,678.34-6,099.44

Finding the Fourth Proportional to 13,115.66, 19,678.34 and 6,099.44

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Solution

The fourth proportional to 13,115.66, 19,678.34 and 6,099.44 is: 9,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.66 : 19,678.34 = 6,099.44 : x
  2. Step 2: Convert to fraction form
    13,115.66/19,678.34 = 6,099.44/x
  3. Step 3: Cross multiply
    13,115.66x = 19,678.34 × 6,099.44
  4. Step 4: Simplify right side
    13,115.66x = 120,026,770.99
  5. Step 5: Solve for x
    x = 120,026,770.99/13,115.66
  6. Step 6: Final answer
    x = 9,151.41

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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.