Home / 17,272.64-23,835.66-9,719.12

Finding the Fourth Proportional to 17,272.64, 23,835.66 and 9,719.12

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Solution

The fourth proportional to 17,272.64, 23,835.66 and 9,719.12 is: 13,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.64 : 23,835.66 = 9,719.12 : x
  2. Step 2: Convert to fraction form
    17,272.64/23,835.66 = 9,719.12/x
  3. Step 3: Cross multiply
    17,272.64x = 23,835.66 × 9,719.12
  4. Step 4: Simplify right side
    17,272.64x = 231,661,639.82
  5. Step 5: Solve for x
    x = 231,661,639.82/17,272.64
  6. Step 6: Final answer
    x = 13,412.06

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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.