Home / 13,924.98-19,217.39-7,637.36

Finding the Fourth Proportional to 13,924.98, 19,217.39 and 7,637.36

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Solution

The fourth proportional to 13,924.98, 19,217.39 and 7,637.36 is: 10,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.98 : 19,217.39 = 7,637.36 : x
  2. Step 2: Convert to fraction form
    13,924.98/19,217.39 = 7,637.36/x
  3. Step 3: Cross multiply
    13,924.98x = 19,217.39 × 7,637.36
  4. Step 4: Simplify right side
    13,924.98x = 146,769,991.42
  5. Step 5: Solve for x
    x = 146,769,991.42/13,924.98
  6. Step 6: Final answer
    x = 10,540.05

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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.