Home / 13,460.15-20,190.33-4,695.05

Finding the Fourth Proportional to 13,460.15, 20,190.33 and 4,695.05

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Solution

The fourth proportional to 13,460.15, 20,190.33 and 4,695.05 is: 7,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.15 : 20,190.33 = 4,695.05 : x
  2. Step 2: Convert to fraction form
    13,460.15/20,190.33 = 4,695.05/x
  3. Step 3: Cross multiply
    13,460.15x = 20,190.33 × 4,695.05
  4. Step 4: Simplify right side
    13,460.15x = 94,794,507.91
  5. Step 5: Solve for x
    x = 94,794,507.91/13,460.15
  6. Step 6: Final answer
    x = 7,042.61

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