Home / 20,053.01-27,672.75-11,099.99

Finding the Fourth Proportional to 20,053.01, 27,672.75 and 11,099.99

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Solution

The fourth proportional to 20,053.01, 27,672.75 and 11,099.99 is: 15,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.01 : 27,672.75 = 11,099.99 : x
  2. Step 2: Convert to fraction form
    20,053.01/27,672.75 = 11,099.99/x
  3. Step 3: Cross multiply
    20,053.01x = 27,672.75 × 11,099.99
  4. Step 4: Simplify right side
    20,053.01x = 307,167,109.91
  5. Step 5: Solve for x
    x = 307,167,109.91/20,053.01
  6. Step 6: Final answer
    x = 15,317.76

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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.