Home / 22,344.24-30,826.47-12,782.19

Finding the Fourth Proportional to 22,344.24, 30,826.47 and 12,782.19

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Solution

The fourth proportional to 22,344.24, 30,826.47 and 12,782.19 is: 17,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.24 : 30,826.47 = 12,782.19 : x
  2. Step 2: Convert to fraction form
    22,344.24/30,826.47 = 12,782.19/x
  3. Step 3: Cross multiply
    22,344.24x = 30,826.47 × 12,782.19
  4. Step 4: Simplify right side
    22,344.24x = 394,029,796.57
  5. Step 5: Solve for x
    x = 394,029,796.57/22,344.24
  6. Step 6: Final answer
    x = 17,634.51

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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.