Home / 14,486.36-19,991.46-9,453.80

Finding the Fourth Proportional to 14,486.36, 19,991.46 and 9,453.80

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Solution

The fourth proportional to 14,486.36, 19,991.46 and 9,453.80 is: 13,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.36 : 19,991.46 = 9,453.80 : x
  2. Step 2: Convert to fraction form
    14,486.36/19,991.46 = 9,453.80/x
  3. Step 3: Cross multiply
    14,486.36x = 19,991.46 × 9,453.80
  4. Step 4: Simplify right side
    14,486.36x = 188,995,264.55
  5. Step 5: Solve for x
    x = 188,995,264.55/14,486.36
  6. Step 6: Final answer
    x = 13,046.43

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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.