Home / 14,076.28-19,427.28-8,107.36

Finding the Fourth Proportional to 14,076.28, 19,427.28 and 8,107.36

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Solution

The fourth proportional to 14,076.28, 19,427.28 and 8,107.36 is: 11,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.28 : 19,427.28 = 8,107.36 : x
  2. Step 2: Convert to fraction form
    14,076.28/19,427.28 = 8,107.36/x
  3. Step 3: Cross multiply
    14,076.28x = 19,427.28 × 8,107.36
  4. Step 4: Simplify right side
    14,076.28x = 157,503,952.78
  5. Step 5: Solve for x
    x = 157,503,952.78/14,076.28
  6. Step 6: Final answer
    x = 11,189.32

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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.