Home / 17,145.28-23,659.84-9,693.44

Finding the Fourth Proportional to 17,145.28, 23,659.84 and 9,693.44

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Solution

The fourth proportional to 17,145.28, 23,659.84 and 9,693.44 is: 13,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.28 : 23,659.84 = 9,693.44 : x
  2. Step 2: Convert to fraction form
    17,145.28/23,659.84 = 9,693.44/x
  3. Step 3: Cross multiply
    17,145.28x = 23,659.84 × 9,693.44
  4. Step 4: Simplify right side
    17,145.28x = 229,345,239.45
  5. Step 5: Solve for x
    x = 229,345,239.45/17,145.28
  6. Step 6: Final answer
    x = 13,376.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.