Home / 23,283.10-32,129.82-12,672.50

Finding the Fourth Proportional to 23,283.10, 32,129.82 and 12,672.50

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Solution

The fourth proportional to 23,283.10, 32,129.82 and 12,672.50 is: 17,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.10 : 32,129.82 = 12,672.50 : x
  2. Step 2: Convert to fraction form
    23,283.10/32,129.82 = 12,672.50/x
  3. Step 3: Cross multiply
    23,283.10x = 32,129.82 × 12,672.50
  4. Step 4: Simplify right side
    23,283.10x = 407,165,143.95
  5. Step 5: Solve for x
    x = 407,165,143.95/23,283.10
  6. Step 6: Final answer
    x = 17,487.58

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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.