Home / 22,682.45-31,299.40-12,609.26

Finding the Fourth Proportional to 22,682.45, 31,299.40 and 12,609.26

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Solution

The fourth proportional to 22,682.45, 31,299.40 and 12,609.26 is: 17,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.45 : 31,299.40 = 12,609.26 : x
  2. Step 2: Convert to fraction form
    22,682.45/31,299.40 = 12,609.26/x
  3. Step 3: Cross multiply
    22,682.45x = 31,299.40 × 12,609.26
  4. Step 4: Simplify right side
    22,682.45x = 394,662,319.17
  5. Step 5: Solve for x
    x = 394,662,319.17/22,682.45
  6. Step 6: Final answer
    x = 17,399.46

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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.