Home / 14,021.28-20,997.60-9,076.08

Finding the Fourth Proportional to 14,021.28, 20,997.60 and 9,076.08

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Solution

The fourth proportional to 14,021.28, 20,997.60 and 9,076.08 is: 13,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.28 : 20,997.60 = 9,076.08 : x
  2. Step 2: Convert to fraction form
    14,021.28/20,997.60 = 9,076.08/x
  3. Step 3: Cross multiply
    14,021.28x = 20,997.60 × 9,076.08
  4. Step 4: Simplify right side
    14,021.28x = 190,575,897.41
  5. Step 5: Solve for x
    x = 190,575,897.41/14,021.28
  6. Step 6: Final answer
    x = 13,591.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.