Home / 16,740.45-23,101.47-9,186.80

Finding the Fourth Proportional to 16,740.45, 23,101.47 and 9,186.80

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Solution

The fourth proportional to 16,740.45, 23,101.47 and 9,186.80 is: 12,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.45 : 23,101.47 = 9,186.80 : x
  2. Step 2: Convert to fraction form
    16,740.45/23,101.47 = 9,186.80/x
  3. Step 3: Cross multiply
    16,740.45x = 23,101.47 × 9,186.80
  4. Step 4: Simplify right side
    16,740.45x = 212,228,469.09
  5. Step 5: Solve for x
    x = 212,228,469.09/16,740.45
  6. Step 6: Final answer
    x = 12,677.58

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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.