Home / 19,531.96-29,298.75-5,680.96

Finding the Fourth Proportional to 19,531.96, 29,298.75 and 5,680.96

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Solution

The fourth proportional to 19,531.96, 29,298.75 and 5,680.96 is: 8,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.96 : 29,298.75 = 5,680.96 : x
  2. Step 2: Convert to fraction form
    19,531.96/29,298.75 = 5,680.96/x
  3. Step 3: Cross multiply
    19,531.96x = 29,298.75 × 5,680.96
  4. Step 4: Simplify right side
    19,531.96x = 166,445,026.80
  5. Step 5: Solve for x
    x = 166,445,026.80/19,531.96
  6. Step 6: Final answer
    x = 8,521.68

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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.