Home / 15,634.10-21,593.99-11,378.41

Finding the Fourth Proportional to 15,634.10, 21,593.99 and 11,378.41

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Solution

The fourth proportional to 15,634.10, 21,593.99 and 11,378.41 is: 15,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.10 : 21,593.99 = 11,378.41 : x
  2. Step 2: Convert to fraction form
    15,634.10/21,593.99 = 11,378.41/x
  3. Step 3: Cross multiply
    15,634.10x = 21,593.99 × 11,378.41
  4. Step 4: Simplify right side
    15,634.10x = 245,705,160.88
  5. Step 5: Solve for x
    x = 245,705,160.88/15,634.10
  6. Step 6: Final answer
    x = 15,715.98

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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.