Home / 21,606.48-32,414.58-15,631.11

Finding the Fourth Proportional to 21,606.48, 32,414.58 and 15,631.11

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Solution

The fourth proportional to 21,606.48, 32,414.58 and 15,631.11 is: 23,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.48 : 32,414.58 = 15,631.11 : x
  2. Step 2: Convert to fraction form
    21,606.48/32,414.58 = 15,631.11/x
  3. Step 3: Cross multiply
    21,606.48x = 32,414.58 × 15,631.11
  4. Step 4: Simplify right side
    21,606.48x = 506,675,865.58
  5. Step 5: Solve for x
    x = 506,675,865.58/21,606.48
  6. Step 6: Final answer
    x = 23,450.18

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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.