Home / 13,634.93-20,444.03-5,305.25

Finding the Fourth Proportional to 13,634.93, 20,444.03 and 5,305.25

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Solution

The fourth proportional to 13,634.93, 20,444.03 and 5,305.25 is: 7,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.93 : 20,444.03 = 5,305.25 : x
  2. Step 2: Convert to fraction form
    13,634.93/20,444.03 = 5,305.25/x
  3. Step 3: Cross multiply
    13,634.93x = 20,444.03 × 5,305.25
  4. Step 4: Simplify right side
    13,634.93x = 108,460,561.41
  5. Step 5: Solve for x
    x = 108,460,561.41/13,634.93
  6. Step 6: Final answer
    x = 7,954.61

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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.