Home / 22,163.16-30,585.24-12,091.81

Finding the Fourth Proportional to 22,163.16, 30,585.24 and 12,091.81

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Solution

The fourth proportional to 22,163.16, 30,585.24 and 12,091.81 is: 16,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.16 : 30,585.24 = 12,091.81 : x
  2. Step 2: Convert to fraction form
    22,163.16/30,585.24 = 12,091.81/x
  3. Step 3: Cross multiply
    22,163.16x = 30,585.24 × 12,091.81
  4. Step 4: Simplify right side
    22,163.16x = 369,830,910.88
  5. Step 5: Solve for x
    x = 369,830,910.88/22,163.16
  6. Step 6: Final answer
    x = 16,686.74

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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.