Home / 22,154.46-30,584.10-15,353.64

Finding the Fourth Proportional to 22,154.46, 30,584.10 and 15,353.64

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Solution

The fourth proportional to 22,154.46, 30,584.10 and 15,353.64 is: 21,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.46 : 30,584.10 = 15,353.64 : x
  2. Step 2: Convert to fraction form
    22,154.46/30,584.10 = 15,353.64/x
  3. Step 3: Cross multiply
    22,154.46x = 30,584.10 × 15,353.64
  4. Step 4: Simplify right side
    22,154.46x = 469,577,261.12
  5. Step 5: Solve for x
    x = 469,577,261.12/22,154.46
  6. Step 6: Final answer
    x = 21,195.61

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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.