Home / 11,942.60-17,835.77-10,168.68

Finding the Fourth Proportional to 11,942.60, 17,835.77 and 10,168.68

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Solution

The fourth proportional to 11,942.60, 17,835.77 and 10,168.68 is: 15,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.60 : 17,835.77 = 10,168.68 : x
  2. Step 2: Convert to fraction form
    11,942.60/17,835.77 = 10,168.68/x
  3. Step 3: Cross multiply
    11,942.60x = 17,835.77 × 10,168.68
  4. Step 4: Simplify right side
    11,942.60x = 181,366,237.68
  5. Step 5: Solve for x
    x = 181,366,237.68/11,942.60
  6. Step 6: Final answer
    x = 15,186.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.