Home / 15,569.97-21,487.01-8,496.85

Finding the Fourth Proportional to 15,569.97, 21,487.01 and 8,496.85

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Solution

The fourth proportional to 15,569.97, 21,487.01 and 8,496.85 is: 11,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.97 : 21,487.01 = 8,496.85 : x
  2. Step 2: Convert to fraction form
    15,569.97/21,487.01 = 8,496.85/x
  3. Step 3: Cross multiply
    15,569.97x = 21,487.01 × 8,496.85
  4. Step 4: Simplify right side
    15,569.97x = 182,571,868.44
  5. Step 5: Solve for x
    x = 182,571,868.44/15,569.97
  6. Step 6: Final answer
    x = 11,725.90

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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.