Home / 17,485.66-26,202.30-7,619.59

Finding the Fourth Proportional to 17,485.66, 26,202.30 and 7,619.59

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Solution

The fourth proportional to 17,485.66, 26,202.30 and 7,619.59 is: 11,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.66 : 26,202.30 = 7,619.59 : x
  2. Step 2: Convert to fraction form
    17,485.66/26,202.30 = 7,619.59/x
  3. Step 3: Cross multiply
    17,485.66x = 26,202.30 × 7,619.59
  4. Step 4: Simplify right side
    17,485.66x = 199,650,783.06
  5. Step 5: Solve for x
    x = 199,650,783.06/17,485.66
  6. Step 6: Final answer
    x = 11,417.97

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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.