Home / 15,583.72-21,508.34-9,296.52

Finding the Fourth Proportional to 15,583.72, 21,508.34 and 9,296.52

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Solution

The fourth proportional to 15,583.72, 21,508.34 and 9,296.52 is: 12,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.72 : 21,508.34 = 9,296.52 : x
  2. Step 2: Convert to fraction form
    15,583.72/21,508.34 = 9,296.52/x
  3. Step 3: Cross multiply
    15,583.72x = 21,508.34 × 9,296.52
  4. Step 4: Simplify right side
    15,583.72x = 199,952,712.98
  5. Step 5: Solve for x
    x = 199,952,712.98/15,583.72
  6. Step 6: Final answer
    x = 12,830.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.