Home / 25,719.27-35,512.73-19,741.47

Finding the Fourth Proportional to 25,719.27, 35,512.73 and 19,741.47

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Solution

The fourth proportional to 25,719.27, 35,512.73 and 19,741.47 is: 27,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.27 : 35,512.73 = 19,741.47 : x
  2. Step 2: Convert to fraction form
    25,719.27/35,512.73 = 19,741.47/x
  3. Step 3: Cross multiply
    25,719.27x = 35,512.73 × 19,741.47
  4. Step 4: Simplify right side
    25,719.27x = 701,073,493.91
  5. Step 5: Solve for x
    x = 701,073,493.91/25,719.27
  6. Step 6: Final answer
    x = 27,258.69

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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.