Home / 13,924.82-19,216.22-7,637.18

Finding the Fourth Proportional to 13,924.82, 19,216.22 and 7,637.18

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Solution

The fourth proportional to 13,924.82, 19,216.22 and 7,637.18 is: 10,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.82 : 19,216.22 = 7,637.18 : x
  2. Step 2: Convert to fraction form
    13,924.82/19,216.22 = 7,637.18/x
  3. Step 3: Cross multiply
    13,924.82x = 19,216.22 × 7,637.18
  4. Step 4: Simplify right side
    13,924.82x = 146,757,731.06
  5. Step 5: Solve for x
    x = 146,757,731.06/13,924.82
  6. Step 6: Final answer
    x = 10,539.29

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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.