Home / 18,136.71-25,044.66-11,433.56

Finding the Fourth Proportional to 18,136.71, 25,044.66 and 11,433.56

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Solution

The fourth proportional to 18,136.71, 25,044.66 and 11,433.56 is: 15,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.71 : 25,044.66 = 11,433.56 : x
  2. Step 2: Convert to fraction form
    18,136.71/25,044.66 = 11,433.56/x
  3. Step 3: Cross multiply
    18,136.71x = 25,044.66 × 11,433.56
  4. Step 4: Simplify right side
    18,136.71x = 286,349,497.57
  5. Step 5: Solve for x
    x = 286,349,497.57/18,136.71
  6. Step 6: Final answer
    x = 15,788.39

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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.