Home / 16,983.37-23,430.62-12,517.79

Finding the Fourth Proportional to 16,983.37, 23,430.62 and 12,517.79

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Solution

The fourth proportional to 16,983.37, 23,430.62 and 12,517.79 is: 17,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.37 : 23,430.62 = 12,517.79 : x
  2. Step 2: Convert to fraction form
    16,983.37/23,430.62 = 12,517.79/x
  3. Step 3: Cross multiply
    16,983.37x = 23,430.62 × 12,517.79
  4. Step 4: Simplify right side
    16,983.37x = 293,299,518.14
  5. Step 5: Solve for x
    x = 293,299,518.14/16,983.37
  6. Step 6: Final answer
    x = 17,269.81

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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.