Home / 13,726.26-18,945.63-9,016.92

Finding the Fourth Proportional to 13,726.26, 18,945.63 and 9,016.92

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Solution

The fourth proportional to 13,726.26, 18,945.63 and 9,016.92 is: 12,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.26 : 18,945.63 = 9,016.92 : x
  2. Step 2: Convert to fraction form
    13,726.26/18,945.63 = 9,016.92/x
  3. Step 3: Cross multiply
    13,726.26x = 18,945.63 × 9,016.92
  4. Step 4: Simplify right side
    13,726.26x = 170,831,230.06
  5. Step 5: Solve for x
    x = 170,831,230.06/13,726.26
  6. Step 6: Final answer
    x = 12,445.58

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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.