Home / 18,399.06-25,398.36-13,924.08

Finding the Fourth Proportional to 18,399.06, 25,398.36 and 13,924.08

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Solution

The fourth proportional to 18,399.06, 25,398.36 and 13,924.08 is: 19,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.06 : 25,398.36 = 13,924.08 : x
  2. Step 2: Convert to fraction form
    18,399.06/25,398.36 = 13,924.08/x
  3. Step 3: Cross multiply
    18,399.06x = 25,398.36 × 13,924.08
  4. Step 4: Simplify right side
    18,399.06x = 353,648,796.51
  5. Step 5: Solve for x
    x = 353,648,796.51/18,399.06
  6. Step 6: Final answer
    x = 19,221.03

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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.