Home / 22,225.92-30,671.60-12,154.32

Finding the Fourth Proportional to 22,225.92, 30,671.60 and 12,154.32

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Solution

The fourth proportional to 22,225.92, 30,671.60 and 12,154.32 is: 16,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.92 : 30,671.60 = 12,154.32 : x
  2. Step 2: Convert to fraction form
    22,225.92/30,671.60 = 12,154.32/x
  3. Step 3: Cross multiply
    22,225.92x = 30,671.60 × 12,154.32
  4. Step 4: Simplify right side
    22,225.92x = 372,792,441.31
  5. Step 5: Solve for x
    x = 372,792,441.31/22,225.92
  6. Step 6: Final answer
    x = 16,772.87

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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.