Home / 20,017.19-27,626.47-11,519.14

Finding the Fourth Proportional to 20,017.19, 27,626.47 and 11,519.14

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Solution

The fourth proportional to 20,017.19, 27,626.47 and 11,519.14 is: 15,897.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.19 : 27,626.47 = 11,519.14 : x
  2. Step 2: Convert to fraction form
    20,017.19/27,626.47 = 11,519.14/x
  3. Step 3: Cross multiply
    20,017.19x = 27,626.47 × 11,519.14
  4. Step 4: Simplify right side
    20,017.19x = 318,233,175.64
  5. Step 5: Solve for x
    x = 318,233,175.64/20,017.19
  6. Step 6: Final answer
    x = 15,897.99

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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.