Home / 20,055.83-27,676.85-11,103.71

Finding the Fourth Proportional to 20,055.83, 27,676.85 and 11,103.71

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Solution

The fourth proportional to 20,055.83, 27,676.85 and 11,103.71 is: 15,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.83 : 27,676.85 = 11,103.71 : x
  2. Step 2: Convert to fraction form
    20,055.83/27,676.85 = 11,103.71/x
  3. Step 3: Cross multiply
    20,055.83x = 27,676.85 × 11,103.71
  4. Step 4: Simplify right side
    20,055.83x = 307,315,522.21
  5. Step 5: Solve for x
    x = 307,315,522.21/20,055.83
  6. Step 6: Final answer
    x = 15,323.01

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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.