Home / 15,309.77-22,965.91-4,217.36

Finding the Fourth Proportional to 15,309.77, 22,965.91 and 4,217.36

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Solution

The fourth proportional to 15,309.77, 22,965.91 and 4,217.36 is: 6,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.77 : 22,965.91 = 4,217.36 : x
  2. Step 2: Convert to fraction form
    15,309.77/22,965.91 = 4,217.36/x
  3. Step 3: Cross multiply
    15,309.77x = 22,965.91 × 4,217.36
  4. Step 4: Simplify right side
    15,309.77x = 96,855,510.20
  5. Step 5: Solve for x
    x = 96,855,510.20/15,309.77
  6. Step 6: Final answer
    x = 6,326.39

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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.