Home / 19,515.96-29,247.71-10,136.48

Finding the Fourth Proportional to 19,515.96, 29,247.71 and 10,136.48

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Solution

The fourth proportional to 19,515.96, 29,247.71 and 10,136.48 is: 15,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.96 : 29,247.71 = 10,136.48 : x
  2. Step 2: Convert to fraction form
    19,515.96/29,247.71 = 10,136.48/x
  3. Step 3: Cross multiply
    19,515.96x = 29,247.71 × 10,136.48
  4. Step 4: Simplify right side
    19,515.96x = 296,468,630.54
  5. Step 5: Solve for x
    x = 296,468,630.54/19,515.96
  6. Step 6: Final answer
    x = 15,191.09

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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.