Home / 22,183.40-30,616.18-12,751.76

Finding the Fourth Proportional to 22,183.40, 30,616.18 and 12,751.76

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Solution

The fourth proportional to 22,183.40, 30,616.18 and 12,751.76 is: 17,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.40 : 30,616.18 = 12,751.76 : x
  2. Step 2: Convert to fraction form
    22,183.40/30,616.18 = 12,751.76/x
  3. Step 3: Cross multiply
    22,183.40x = 30,616.18 × 12,751.76
  4. Step 4: Simplify right side
    22,183.40x = 390,410,179.48
  5. Step 5: Solve for x
    x = 390,410,179.48/22,183.40
  6. Step 6: Final answer
    x = 17,599.20

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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.