Home / 16,392.19-22,622.12-12,406.27

Finding the Fourth Proportional to 16,392.19, 22,622.12 and 12,406.27

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Solution

The fourth proportional to 16,392.19, 22,622.12 and 12,406.27 is: 17,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.19 : 22,622.12 = 12,406.27 : x
  2. Step 2: Convert to fraction form
    16,392.19/22,622.12 = 12,406.27/x
  3. Step 3: Cross multiply
    16,392.19x = 22,622.12 × 12,406.27
  4. Step 4: Simplify right side
    16,392.19x = 280,656,128.69
  5. Step 5: Solve for x
    x = 280,656,128.69/16,392.19
  6. Step 6: Final answer
    x = 17,121.33

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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.