Home / 22,206.51-30,644.62-12,134.74

Finding the Fourth Proportional to 22,206.51, 30,644.62 and 12,134.74

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Solution

The fourth proportional to 22,206.51, 30,644.62 and 12,134.74 is: 16,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.51 : 30,644.62 = 12,134.74 : x
  2. Step 2: Convert to fraction form
    22,206.51/30,644.62 = 12,134.74/x
  3. Step 3: Cross multiply
    22,206.51x = 30,644.62 × 12,134.74
  4. Step 4: Simplify right side
    22,206.51x = 371,864,282.20
  5. Step 5: Solve for x
    x = 371,864,282.20/22,206.51
  6. Step 6: Final answer
    x = 16,745.73

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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.