Home / 22,269.30-30,731.45-12,197.54

Finding the Fourth Proportional to 22,269.30, 30,731.45 and 12,197.54

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Solution

The fourth proportional to 22,269.30, 30,731.45 and 12,197.54 is: 16,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.30 : 30,731.45 = 12,197.54 : x
  2. Step 2: Convert to fraction form
    22,269.30/30,731.45 = 12,197.54/x
  3. Step 3: Cross multiply
    22,269.30x = 30,731.45 × 12,197.54
  4. Step 4: Simplify right side
    22,269.30x = 374,847,875.99
  5. Step 5: Solve for x
    x = 374,847,875.99/22,269.30
  6. Step 6: Final answer
    x = 16,832.49

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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.