Home / 13,098.20-19,535.45-11,136.60

Finding the Fourth Proportional to 13,098.20, 19,535.45 and 11,136.60

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Solution

The fourth proportional to 13,098.20, 19,535.45 and 11,136.60 is: 16,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.20 : 19,535.45 = 11,136.60 : x
  2. Step 2: Convert to fraction form
    13,098.20/19,535.45 = 11,136.60/x
  3. Step 3: Cross multiply
    13,098.20x = 19,535.45 × 11,136.60
  4. Step 4: Simplify right side
    13,098.20x = 217,558,436.79
  5. Step 5: Solve for x
    x = 217,558,436.79/13,098.20
  6. Step 6: Final answer
    x = 16,609.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.