Home / 20,051.74-27,668.55-11,099.01

Finding the Fourth Proportional to 20,051.74, 27,668.55 and 11,099.01

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Solution

The fourth proportional to 20,051.74, 27,668.55 and 11,099.01 is: 15,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.74 : 27,668.55 = 11,099.01 : x
  2. Step 2: Convert to fraction form
    20,051.74/27,668.55 = 11,099.01/x
  3. Step 3: Cross multiply
    20,051.74x = 27,668.55 × 11,099.01
  4. Step 4: Simplify right side
    20,051.74x = 307,093,513.14
  5. Step 5: Solve for x
    x = 307,093,513.14/20,051.74
  6. Step 6: Final answer
    x = 15,315.06

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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.