Home / 22,175.14-30,601.77-12,103.81

Finding the Fourth Proportional to 22,175.14, 30,601.77 and 12,103.81

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Solution

The fourth proportional to 22,175.14, 30,601.77 and 12,103.81 is: 16,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.14 : 30,601.77 = 12,103.81 : x
  2. Step 2: Convert to fraction form
    22,175.14/30,601.77 = 12,103.81/x
  3. Step 3: Cross multiply
    22,175.14x = 30,601.77 × 12,103.81
  4. Step 4: Simplify right side
    22,175.14x = 370,398,009.74
  5. Step 5: Solve for x
    x = 370,398,009.74/22,175.14
  6. Step 6: Final answer
    x = 16,703.30

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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.