Home / 22,037.22-30,401.19-13,079.64

Finding the Fourth Proportional to 22,037.22, 30,401.19 and 13,079.64

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Solution

The fourth proportional to 22,037.22, 30,401.19 and 13,079.64 is: 18,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.22 : 30,401.19 = 13,079.64 : x
  2. Step 2: Convert to fraction form
    22,037.22/30,401.19 = 13,079.64/x
  3. Step 3: Cross multiply
    22,037.22x = 30,401.19 × 13,079.64
  4. Step 4: Simplify right side
    22,037.22x = 397,636,620.77
  5. Step 5: Solve for x
    x = 397,636,620.77/22,037.22
  6. Step 6: Final answer
    x = 18,043.86

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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.