Home / 17,725.84-24,447.16-12,940.44

Finding the Fourth Proportional to 17,725.84, 24,447.16 and 12,940.44

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Solution

The fourth proportional to 17,725.84, 24,447.16 and 12,940.44 is: 17,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,725.84 : 24,447.16 = 12,940.44 : x
  2. Step 2: Convert to fraction form
    17,725.84/24,447.16 = 12,940.44/x
  3. Step 3: Cross multiply
    17,725.84x = 24,447.16 × 12,940.44
  4. Step 4: Simplify right side
    17,725.84x = 316,357,007.15
  5. Step 5: Solve for x
    x = 316,357,007.15/17,725.84
  6. Step 6: Final answer
    x = 17,847.22

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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.