Home / 19,799.12-29,673.77-14,147.36

Finding the Fourth Proportional to 19,799.12, 29,673.77 and 14,147.36

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Solution

The fourth proportional to 19,799.12, 29,673.77 and 14,147.36 is: 21,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.12 : 29,673.77 = 14,147.36 : x
  2. Step 2: Convert to fraction form
    19,799.12/29,673.77 = 14,147.36/x
  3. Step 3: Cross multiply
    19,799.12x = 29,673.77 × 14,147.36
  4. Step 4: Simplify right side
    19,799.12x = 419,805,287.64
  5. Step 5: Solve for x
    x = 419,805,287.64/19,799.12
  6. Step 6: Final answer
    x = 21,203.23

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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.