Home / 22,009.08-30,369.42-12,575.64

Finding the Fourth Proportional to 22,009.08, 30,369.42 and 12,575.64

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Solution

The fourth proportional to 22,009.08, 30,369.42 and 12,575.64 is: 17,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.08 : 30,369.42 = 12,575.64 : x
  2. Step 2: Convert to fraction form
    22,009.08/30,369.42 = 12,575.64/x
  3. Step 3: Cross multiply
    22,009.08x = 30,369.42 × 12,575.64
  4. Step 4: Simplify right side
    22,009.08x = 381,914,892.93
  5. Step 5: Solve for x
    x = 381,914,892.93/22,009.08
  6. Step 6: Final answer
    x = 17,352.61

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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.