Home / 23,125.16-31,912.71-12,514.79

Finding the Fourth Proportional to 23,125.16, 31,912.71 and 12,514.79

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Solution

The fourth proportional to 23,125.16, 31,912.71 and 12,514.79 is: 17,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.16 : 31,912.71 = 12,514.79 : x
  2. Step 2: Convert to fraction form
    23,125.16/31,912.71 = 12,514.79/x
  3. Step 3: Cross multiply
    23,125.16x = 31,912.71 × 12,514.79
  4. Step 4: Simplify right side
    23,125.16x = 399,380,863.98
  5. Step 5: Solve for x
    x = 399,380,863.98/23,125.16
  6. Step 6: Final answer
    x = 17,270.40

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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.