Home / 20,170.36-27,838.14-14,523.76

Finding the Fourth Proportional to 20,170.36, 27,838.14 and 14,523.76

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Solution

The fourth proportional to 20,170.36, 27,838.14 and 14,523.76 is: 20,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.36 : 27,838.14 = 14,523.76 : x
  2. Step 2: Convert to fraction form
    20,170.36/27,838.14 = 14,523.76/x
  3. Step 3: Cross multiply
    20,170.36x = 27,838.14 × 14,523.76
  4. Step 4: Simplify right side
    20,170.36x = 404,314,464.21
  5. Step 5: Solve for x
    x = 404,314,464.21/20,170.36
  6. Step 6: Final answer
    x = 20,044.98

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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.