Home / 15,633.53-21,593.21-11,377.85

Finding the Fourth Proportional to 15,633.53, 21,593.21 and 11,377.85

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Solution

The fourth proportional to 15,633.53, 21,593.21 and 11,377.85 is: 15,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.53 : 21,593.21 = 11,377.85 : x
  2. Step 2: Convert to fraction form
    15,633.53/21,593.21 = 11,377.85/x
  3. Step 3: Cross multiply
    15,633.53x = 21,593.21 × 11,377.85
  4. Step 4: Simplify right side
    15,633.53x = 245,684,224.88
  5. Step 5: Solve for x
    x = 245,684,224.88/15,633.53
  6. Step 6: Final answer
    x = 15,715.21

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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.