Home / 14,542.52-21,818.15-5,181.32

Finding the Fourth Proportional to 14,542.52, 21,818.15 and 5,181.32

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Solution

The fourth proportional to 14,542.52, 21,818.15 and 5,181.32 is: 7,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.52 : 21,818.15 = 5,181.32 : x
  2. Step 2: Convert to fraction form
    14,542.52/21,818.15 = 5,181.32/x
  3. Step 3: Cross multiply
    14,542.52x = 21,818.15 × 5,181.32
  4. Step 4: Simplify right side
    14,542.52x = 113,046,681.96
  5. Step 5: Solve for x
    x = 113,046,681.96/14,542.52
  6. Step 6: Final answer
    x = 7,773.53

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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.