Home / 17,172.86-23,712.24-11,435.92

Finding the Fourth Proportional to 17,172.86, 23,712.24 and 11,435.92

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Solution

The fourth proportional to 17,172.86, 23,712.24 and 11,435.92 is: 15,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.86 : 23,712.24 = 11,435.92 : x
  2. Step 2: Convert to fraction form
    17,172.86/23,712.24 = 11,435.92/x
  3. Step 3: Cross multiply
    17,172.86x = 23,712.24 × 11,435.92
  4. Step 4: Simplify right side
    17,172.86x = 271,171,263.26
  5. Step 5: Solve for x
    x = 271,171,263.26/17,172.86
  6. Step 6: Final answer
    x = 15,790.69

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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.