Home / 13,637.25-20,447.52-6,243.97

Finding the Fourth Proportional to 13,637.25, 20,447.52 and 6,243.97

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Solution

The fourth proportional to 13,637.25, 20,447.52 and 6,243.97 is: 9,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.25 : 20,447.52 = 6,243.97 : x
  2. Step 2: Convert to fraction form
    13,637.25/20,447.52 = 6,243.97/x
  3. Step 3: Cross multiply
    13,637.25x = 20,447.52 × 6,243.97
  4. Step 4: Simplify right side
    13,637.25x = 127,673,701.45
  5. Step 5: Solve for x
    x = 127,673,701.45/13,637.25
  6. Step 6: Final answer
    x = 9,362.13

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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.