Home / 22,120.42-30,525.61-12,048.58

Finding the Fourth Proportional to 22,120.42, 30,525.61 and 12,048.58

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Solution

The fourth proportional to 22,120.42, 30,525.61 and 12,048.58 is: 16,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.42 : 30,525.61 = 12,048.58 : x
  2. Step 2: Convert to fraction form
    22,120.42/30,525.61 = 12,048.58/x
  3. Step 3: Cross multiply
    22,120.42x = 30,525.61 × 12,048.58
  4. Step 4: Simplify right side
    22,120.42x = 367,790,254.13
  5. Step 5: Solve for x
    x = 367,790,254.13/22,120.42
  6. Step 6: Final answer
    x = 16,626.73

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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.