Home / 23,170.46-31,975.16-12,560.09

Finding the Fourth Proportional to 23,170.46, 31,975.16 and 12,560.09

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Solution

The fourth proportional to 23,170.46, 31,975.16 and 12,560.09 is: 17,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.46 : 31,975.16 = 12,560.09 : x
  2. Step 2: Convert to fraction form
    23,170.46/31,975.16 = 12,560.09/x
  3. Step 3: Cross multiply
    23,170.46x = 31,975.16 × 12,560.09
  4. Step 4: Simplify right side
    23,170.46x = 401,610,664.69
  5. Step 5: Solve for x
    x = 401,610,664.69/23,170.46
  6. Step 6: Final answer
    x = 17,332.88

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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.