Home / 22,109.73-30,512.07-12,038.82

Finding the Fourth Proportional to 22,109.73, 30,512.07 and 12,038.82

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Solution

The fourth proportional to 22,109.73, 30,512.07 and 12,038.82 is: 16,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.73 : 30,512.07 = 12,038.82 : x
  2. Step 2: Convert to fraction form
    22,109.73/30,512.07 = 12,038.82/x
  3. Step 3: Cross multiply
    22,109.73x = 30,512.07 × 12,038.82
  4. Step 4: Simplify right side
    22,109.73x = 367,329,318.56
  5. Step 5: Solve for x
    x = 367,329,318.56/22,109.73
  6. Step 6: Final answer
    x = 16,613.92

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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.