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Finding the Fourth Proportional to 17,136.68, 23,662.02 and 13,151.48

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Solution

The fourth proportional to 17,136.68, 23,662.02 and 13,151.48 is: 18,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.68 : 23,662.02 = 13,151.48 : x
  2. Step 2: Convert to fraction form
    17,136.68/23,662.02 = 13,151.48/x
  3. Step 3: Cross multiply
    17,136.68x = 23,662.02 × 13,151.48
  4. Step 4: Simplify right side
    17,136.68x = 311,190,582.79
  5. Step 5: Solve for x
    x = 311,190,582.79/17,136.68
  6. Step 6: Final answer
    x = 18,159.33

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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.