Home / 13,150.20-19,713.60-4,828.32

Finding the Fourth Proportional to 13,150.20, 19,713.60 and 4,828.32

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Solution

The fourth proportional to 13,150.20, 19,713.60 and 4,828.32 is: 7,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.20 : 19,713.60 = 4,828.32 : x
  2. Step 2: Convert to fraction form
    13,150.20/19,713.60 = 4,828.32/x
  3. Step 3: Cross multiply
    13,150.20x = 19,713.60 × 4,828.32
  4. Step 4: Simplify right side
    13,150.20x = 95,183,569.15
  5. Step 5: Solve for x
    x = 95,183,569.15/13,150.20
  6. Step 6: Final answer
    x = 7,238.18

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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.