Home / 17,670.40-26,467.20-11,449.60

Finding the Fourth Proportional to 17,670.40, 26,467.20 and 11,449.60

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Solution

The fourth proportional to 17,670.40, 26,467.20 and 11,449.60 is: 17,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.40 : 26,467.20 = 11,449.60 : x
  2. Step 2: Convert to fraction form
    17,670.40/26,467.20 = 11,449.60/x
  3. Step 3: Cross multiply
    17,670.40x = 26,467.20 × 11,449.60
  4. Step 4: Simplify right side
    17,670.40x = 303,038,853.12
  5. Step 5: Solve for x
    x = 303,038,853.12/17,670.40
  6. Step 6: Final answer
    x = 17,149.52

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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.