Home / 23,299.66-32,153.61-12,689.29

Finding the Fourth Proportional to 23,299.66, 32,153.61 and 12,689.29

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Solution

The fourth proportional to 23,299.66, 32,153.61 and 12,689.29 is: 17,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.66 : 32,153.61 = 12,689.29 : x
  2. Step 2: Convert to fraction form
    23,299.66/32,153.61 = 12,689.29/x
  3. Step 3: Cross multiply
    23,299.66x = 32,153.61 × 12,689.29
  4. Step 4: Simplify right side
    23,299.66x = 408,006,481.84
  5. Step 5: Solve for x
    x = 408,006,481.84/23,299.66
  6. Step 6: Final answer
    x = 17,511.26

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1.5x scale

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.