Home / 12,351.48-18,528.76-4,029.28

Finding the Fourth Proportional to 12,351.48, 18,528.76 and 4,029.28

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Solution

The fourth proportional to 12,351.48, 18,528.76 and 4,029.28 is: 6,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.48 : 18,528.76 = 4,029.28 : x
  2. Step 2: Convert to fraction form
    12,351.48/18,528.76 = 4,029.28/x
  3. Step 3: Cross multiply
    12,351.48x = 18,528.76 × 4,029.28
  4. Step 4: Simplify right side
    12,351.48x = 74,657,562.09
  5. Step 5: Solve for x
    x = 74,657,562.09/12,351.48
  6. Step 6: Final answer
    x = 6,044.42

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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.