Home / 21,153.53-29,191.37-11,593.10

Finding the Fourth Proportional to 21,153.53, 29,191.37 and 11,593.10

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Solution

The fourth proportional to 21,153.53, 29,191.37 and 11,593.10 is: 15,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153.53 : 29,191.37 = 11,593.10 : x
  2. Step 2: Convert to fraction form
    21,153.53/29,191.37 = 11,593.10/x
  3. Step 3: Cross multiply
    21,153.53x = 29,191.37 × 11,593.10
  4. Step 4: Simplify right side
    21,153.53x = 338,418,267.62
  5. Step 5: Solve for x
    x = 338,418,267.62/21,153.53
  6. Step 6: Final answer
    x = 15,998.20

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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.