Home / 22,110.48-30,512.25-12,038.90

Finding the Fourth Proportional to 22,110.48, 30,512.25 and 12,038.90

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Solution

The fourth proportional to 22,110.48, 30,512.25 and 12,038.90 is: 16,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.48 : 30,512.25 = 12,038.90 : x
  2. Step 2: Convert to fraction form
    22,110.48/30,512.25 = 12,038.90/x
  3. Step 3: Cross multiply
    22,110.48x = 30,512.25 × 12,038.90
  4. Step 4: Simplify right side
    22,110.48x = 367,333,773.96
  5. Step 5: Solve for x
    x = 367,333,773.96/22,110.48
  6. Step 6: Final answer
    x = 16,613.56

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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.