Home / 22,270.08-30,731.51-12,196.61

Finding the Fourth Proportional to 22,270.08, 30,731.51 and 12,196.61

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Solution

The fourth proportional to 22,270.08, 30,731.51 and 12,196.61 is: 16,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.08 : 30,731.51 = 12,196.61 : x
  2. Step 2: Convert to fraction form
    22,270.08/30,731.51 = 12,196.61/x
  3. Step 3: Cross multiply
    22,270.08x = 30,731.51 × 12,196.61
  4. Step 4: Simplify right side
    22,270.08x = 374,820,242.18
  5. Step 5: Solve for x
    x = 374,820,242.18/22,270.08
  6. Step 6: Final answer
    x = 16,830.66

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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.