Home / 11,929.50-17,889.75-9,583.74

Finding the Fourth Proportional to 11,929.50, 17,889.75 and 9,583.74

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Solution

The fourth proportional to 11,929.50, 17,889.75 and 9,583.74 is: 14,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.50 : 17,889.75 = 9,583.74 : x
  2. Step 2: Convert to fraction form
    11,929.50/17,889.75 = 9,583.74/x
  3. Step 3: Cross multiply
    11,929.50x = 17,889.75 × 9,583.74
  4. Step 4: Simplify right side
    11,929.50x = 171,450,712.67
  5. Step 5: Solve for x
    x = 171,450,712.67/11,929.50
  6. Step 6: Final answer
    x = 14,371.99

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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.