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Finding the Fourth Proportional to 15,456.60, 23,192.10 and 11,568.60

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Solution

The fourth proportional to 15,456.60, 23,192.10 and 11,568.60 is: 17,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.60 : 23,192.10 = 11,568.60 : x
  2. Step 2: Convert to fraction form
    15,456.60/23,192.10 = 11,568.60/x
  3. Step 3: Cross multiply
    15,456.60x = 23,192.10 × 11,568.60
  4. Step 4: Simplify right side
    15,456.60x = 268,300,128.06
  5. Step 5: Solve for x
    x = 268,300,128.06/15,456.60
  6. Step 6: Final answer
    x = 17,358.29

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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.