Home / 17,485.60-26,236.15-9,163.64

Finding the Fourth Proportional to 17,485.60, 26,236.15 and 9,163.64

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Solution

The fourth proportional to 17,485.60, 26,236.15 and 9,163.64 is: 13,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.60 : 26,236.15 = 9,163.64 : x
  2. Step 2: Convert to fraction form
    17,485.60/26,236.15 = 9,163.64/x
  3. Step 3: Cross multiply
    17,485.60x = 26,236.15 × 9,163.64
  4. Step 4: Simplify right side
    17,485.60x = 240,418,633.59
  5. Step 5: Solve for x
    x = 240,418,633.59/17,485.60
  6. Step 6: Final answer
    x = 13,749.52

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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.