Home / 13,176.72-19,772.87-4,862.58

Finding the Fourth Proportional to 13,176.72, 19,772.87 and 4,862.58

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Solution

The fourth proportional to 13,176.72, 19,772.87 and 4,862.58 is: 7,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.72 : 19,772.87 = 4,862.58 : x
  2. Step 2: Convert to fraction form
    13,176.72/19,772.87 = 4,862.58/x
  3. Step 3: Cross multiply
    13,176.72x = 19,772.87 × 4,862.58
  4. Step 4: Simplify right side
    13,176.72x = 96,147,162.20
  5. Step 5: Solve for x
    x = 96,147,162.20/13,176.72
  6. Step 6: Final answer
    x = 7,296.74

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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.