Home / 29,006.61-43,522.31-12,143.55

Finding the Fourth Proportional to 29,006.61, 43,522.31 and 12,143.55

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Solution

The fourth proportional to 29,006.61, 43,522.31 and 12,143.55 is: 18,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,006.61 : 43,522.31 = 12,143.55 : x
  2. Step 2: Convert to fraction form
    29,006.61/43,522.31 = 12,143.55/x
  3. Step 3: Cross multiply
    29,006.61x = 43,522.31 × 12,143.55
  4. Step 4: Simplify right side
    29,006.61x = 528,515,560.38
  5. Step 5: Solve for x
    x = 528,515,560.38/29,006.61
  6. Step 6: Final answer
    x = 18,220.52

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1.5x scale

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.