Home / 15,725.88-21,701.99-8,652.24

Finding the Fourth Proportional to 15,725.88, 21,701.99 and 8,652.24

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Solution

The fourth proportional to 15,725.88, 21,701.99 and 8,652.24 is: 11,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.88 : 21,701.99 = 8,652.24 : x
  2. Step 2: Convert to fraction form
    15,725.88/21,701.99 = 8,652.24/x
  3. Step 3: Cross multiply
    15,725.88x = 21,701.99 × 8,652.24
  4. Step 4: Simplify right side
    15,725.88x = 187,770,847.59
  5. Step 5: Solve for x
    x = 187,770,847.59/15,725.88
  6. Step 6: Final answer
    x = 11,940.24

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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.