Home / 22,355.64-30,850.32-12,284.04

Finding the Fourth Proportional to 22,355.64, 30,850.32 and 12,284.04

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Solution

The fourth proportional to 22,355.64, 30,850.32 and 12,284.04 is: 16,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.64 : 30,850.32 = 12,284.04 : x
  2. Step 2: Convert to fraction form
    22,355.64/30,850.32 = 12,284.04/x
  3. Step 3: Cross multiply
    22,355.64x = 30,850.32 × 12,284.04
  4. Step 4: Simplify right side
    22,355.64x = 378,966,564.89
  5. Step 5: Solve for x
    x = 378,966,564.89/22,355.64
  6. Step 6: Final answer
    x = 16,951.72

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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.