Home / 19,603.14-27,051.46-11,105.08

Finding the Fourth Proportional to 19,603.14, 27,051.46 and 11,105.08

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Solution

The fourth proportional to 19,603.14, 27,051.46 and 11,105.08 is: 15,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.14 : 27,051.46 = 11,105.08 : x
  2. Step 2: Convert to fraction form
    19,603.14/27,051.46 = 11,105.08/x
  3. Step 3: Cross multiply
    19,603.14x = 27,051.46 × 11,105.08
  4. Step 4: Simplify right side
    19,603.14x = 300,408,627.42
  5. Step 5: Solve for x
    x = 300,408,627.42/19,603.14
  6. Step 6: Final answer
    x = 15,324.52

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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.