Home / 19,672.82-29,524.77-8,587.29

Finding the Fourth Proportional to 19,672.82, 29,524.77 and 8,587.29

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Solution

The fourth proportional to 19,672.82, 29,524.77 and 8,587.29 is: 12,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.82 : 29,524.77 = 8,587.29 : x
  2. Step 2: Convert to fraction form
    19,672.82/29,524.77 = 8,587.29/x
  3. Step 3: Cross multiply
    19,672.82x = 29,524.77 × 8,587.29
  4. Step 4: Simplify right side
    19,672.82x = 253,537,762.17
  5. Step 5: Solve for x
    x = 253,537,762.17/19,672.82
  6. Step 6: Final answer
    x = 12,887.72

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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.