Home / 13,433.25-20,147.72-9,525.81

Finding the Fourth Proportional to 13,433.25, 20,147.72 and 9,525.81

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Solution

The fourth proportional to 13,433.25, 20,147.72 and 9,525.81 is: 14,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.25 : 20,147.72 = 9,525.81 : x
  2. Step 2: Convert to fraction form
    13,433.25/20,147.72 = 9,525.81/x
  3. Step 3: Cross multiply
    13,433.25x = 20,147.72 × 9,525.81
  4. Step 4: Simplify right side
    13,433.25x = 191,923,305.02
  5. Step 5: Solve for x
    x = 191,923,305.02/13,433.25
  6. Step 6: Final answer
    x = 14,287.18

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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.