Home / 34,136.50-51,203.10-11,954.86

Finding the Fourth Proportional to 34,136.50, 51,203.10 and 11,954.86

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Solution

The fourth proportional to 34,136.50, 51,203.10 and 11,954.86 is: 17,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.50 : 51,203.10 = 11,954.86 : x
  2. Step 2: Convert to fraction form
    34,136.50/51,203.10 = 11,954.86/x
  3. Step 3: Cross multiply
    34,136.50x = 51,203.10 × 11,954.86
  4. Step 4: Simplify right side
    34,136.50x = 612,125,892.07
  5. Step 5: Solve for x
    x = 612,125,892.07/34,136.50
  6. Step 6: Final answer
    x = 17,931.71

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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.