Home / 17,172.42-23,695.19-9,619.07

Finding the Fourth Proportional to 17,172.42, 23,695.19 and 9,619.07

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Solution

The fourth proportional to 17,172.42, 23,695.19 and 9,619.07 is: 13,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.42 : 23,695.19 = 9,619.07 : x
  2. Step 2: Convert to fraction form
    17,172.42/23,695.19 = 9,619.07/x
  3. Step 3: Cross multiply
    17,172.42x = 23,695.19 × 9,619.07
  4. Step 4: Simplify right side
    17,172.42x = 227,925,691.27
  5. Step 5: Solve for x
    x = 227,925,691.27/17,172.42
  6. Step 6: Final answer
    x = 13,272.78

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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.