Home / 13,149.40-19,718.46-4,826.68

Finding the Fourth Proportional to 13,149.40, 19,718.46 and 4,826.68

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Solution

The fourth proportional to 13,149.40, 19,718.46 and 4,826.68 is: 7,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.40 : 19,718.46 = 4,826.68 : x
  2. Step 2: Convert to fraction form
    13,149.40/19,718.46 = 4,826.68/x
  3. Step 3: Cross multiply
    13,149.40x = 19,718.46 × 4,826.68
  4. Step 4: Simplify right side
    13,149.40x = 95,174,696.51
  5. Step 5: Solve for x
    x = 95,174,696.51/13,149.40
  6. Step 6: Final answer
    x = 7,237.95

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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.