Home / 22,753.80-31,399.92-12,682.62

Finding the Fourth Proportional to 22,753.80, 31,399.92 and 12,682.62

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Solution

The fourth proportional to 22,753.80, 31,399.92 and 12,682.62 is: 17,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,753.80 : 31,399.92 = 12,682.62 : x
  2. Step 2: Convert to fraction form
    22,753.80/31,399.92 = 12,682.62/x
  3. Step 3: Cross multiply
    22,753.80x = 31,399.92 × 12,682.62
  4. Step 4: Simplify right side
    22,753.80x = 398,233,253.39
  5. Step 5: Solve for x
    x = 398,233,253.39/22,753.80
  6. Step 6: Final answer
    x = 17,501.84

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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.