Home / 20,066.35-27,691.80-11,114.03

Finding the Fourth Proportional to 20,066.35, 27,691.80 and 11,114.03

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Solution

The fourth proportional to 20,066.35, 27,691.80 and 11,114.03 is: 15,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.35 : 27,691.80 = 11,114.03 : x
  2. Step 2: Convert to fraction form
    20,066.35/27,691.80 = 11,114.03/x
  3. Step 3: Cross multiply
    20,066.35x = 27,691.80 × 11,114.03
  4. Step 4: Simplify right side
    20,066.35x = 307,767,495.95
  5. Step 5: Solve for x
    x = 307,767,495.95/20,066.35
  6. Step 6: Final answer
    x = 15,337.49

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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.