Home / 13,254.66-19,876.98-5,354.52

Finding the Fourth Proportional to 13,254.66, 19,876.98 and 5,354.52

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Solution

The fourth proportional to 13,254.66, 19,876.98 and 5,354.52 is: 8,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.66 : 19,876.98 = 5,354.52 : x
  2. Step 2: Convert to fraction form
    13,254.66/19,876.98 = 5,354.52/x
  3. Step 3: Cross multiply
    13,254.66x = 19,876.98 × 5,354.52
  4. Step 4: Simplify right side
    13,254.66x = 106,431,686.95
  5. Step 5: Solve for x
    x = 106,431,686.95/13,254.66
  6. Step 6: Final answer
    x = 8,029.76

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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.