Home / 15,149.43-22,608.99-14,146.79

Finding the Fourth Proportional to 15,149.43, 22,608.99 and 14,146.79

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Solution

The fourth proportional to 15,149.43, 22,608.99 and 14,146.79 is: 21,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.43 : 22,608.99 = 14,146.79 : x
  2. Step 2: Convert to fraction form
    15,149.43/22,608.99 = 14,146.79/x
  3. Step 3: Cross multiply
    15,149.43x = 22,608.99 × 14,146.79
  4. Step 4: Simplify right side
    15,149.43x = 319,844,520.60
  5. Step 5: Solve for x
    x = 319,844,520.60/15,149.43
  6. Step 6: Final answer
    x = 21,112.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.