Home / 13,914.36-19,220.22-10,371.42

Finding the Fourth Proportional to 13,914.36, 19,220.22 and 10,371.42

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Solution

The fourth proportional to 13,914.36, 19,220.22 and 10,371.42 is: 14,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.36 : 19,220.22 = 10,371.42 : x
  2. Step 2: Convert to fraction form
    13,914.36/19,220.22 = 10,371.42/x
  3. Step 3: Cross multiply
    13,914.36x = 19,220.22 × 10,371.42
  4. Step 4: Simplify right side
    13,914.36x = 199,340,974.11
  5. Step 5: Solve for x
    x = 199,340,974.11/13,914.36
  6. Step 6: Final answer
    x = 14,326.28

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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.