Home / 13,312.98-19,976.36-5,922.54

Finding the Fourth Proportional to 13,312.98, 19,976.36 and 5,922.54

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Solution

The fourth proportional to 13,312.98, 19,976.36 and 5,922.54 is: 8,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.98 : 19,976.36 = 5,922.54 : x
  2. Step 2: Convert to fraction form
    13,312.98/19,976.36 = 5,922.54/x
  3. Step 3: Cross multiply
    13,312.98x = 19,976.36 × 5,922.54
  4. Step 4: Simplify right side
    13,312.98x = 118,310,761.54
  5. Step 5: Solve for x
    x = 118,310,761.54/13,312.98
  6. Step 6: Final answer
    x = 8,886.87

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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.