Home / 20,094.78-27,737.99-13,716.81

Finding the Fourth Proportional to 20,094.78, 27,737.99 and 13,716.81

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Solution

The fourth proportional to 20,094.78, 27,737.99 and 13,716.81 is: 18,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.78 : 27,737.99 = 13,716.81 : x
  2. Step 2: Convert to fraction form
    20,094.78/27,737.99 = 13,716.81/x
  3. Step 3: Cross multiply
    20,094.78x = 27,737.99 × 13,716.81
  4. Step 4: Simplify right side
    20,094.78x = 380,476,670.03
  5. Step 5: Solve for x
    x = 380,476,670.03/20,094.78
  6. Step 6: Final answer
    x = 18,934.10

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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.