Home / 14,826.31-20,460-8,111.92

Finding the Fourth Proportional to 14,826.31, 20,460 and 8,111.92

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Solution

The fourth proportional to 14,826.31, 20,460 and 8,111.92 is: 11,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.31 : 20,460 = 8,111.92 : x
  2. Step 2: Convert to fraction form
    14,826.31/20,460 = 8,111.92/x
  3. Step 3: Cross multiply
    14,826.31x = 20,460 × 8,111.92
  4. Step 4: Simplify right side
    14,826.31x = 165,969,883.20
  5. Step 5: Solve for x
    x = 165,969,883.20/14,826.31
  6. Step 6: Final answer
    x = 11,194.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.