Home / 19,136.18-26,416.26-11,177.12

Finding the Fourth Proportional to 19,136.18, 26,416.26 and 11,177.12

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Solution

The fourth proportional to 19,136.18, 26,416.26 and 11,177.12 is: 15,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.18 : 26,416.26 = 11,177.12 : x
  2. Step 2: Convert to fraction form
    19,136.18/26,416.26 = 11,177.12/x
  3. Step 3: Cross multiply
    19,136.18x = 26,416.26 × 11,177.12
  4. Step 4: Simplify right side
    19,136.18x = 295,257,707.97
  5. Step 5: Solve for x
    x = 295,257,707.97/19,136.18
  6. Step 6: Final answer
    x = 15,429.29

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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.