Home / 15,985.76-23,949.91-9,408.36

Finding the Fourth Proportional to 15,985.76, 23,949.91 and 9,408.36

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Solution

The fourth proportional to 15,985.76, 23,949.91 and 9,408.36 is: 14,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.76 : 23,949.91 = 9,408.36 : x
  2. Step 2: Convert to fraction form
    15,985.76/23,949.91 = 9,408.36/x
  3. Step 3: Cross multiply
    15,985.76x = 23,949.91 × 9,408.36
  4. Step 4: Simplify right side
    15,985.76x = 225,329,409.46
  5. Step 5: Solve for x
    x = 225,329,409.46/15,985.76
  6. Step 6: Final answer
    x = 14,095.63

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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.