Home / 25,650.36-35,417.52-19,672.56

Finding the Fourth Proportional to 25,650.36, 35,417.52 and 19,672.56

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Solution

The fourth proportional to 25,650.36, 35,417.52 and 19,672.56 is: 27,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.36 : 35,417.52 = 19,672.56 : x
  2. Step 2: Convert to fraction form
    25,650.36/35,417.52 = 19,672.56/x
  3. Step 3: Cross multiply
    25,650.36x = 35,417.52 × 19,672.56
  4. Step 4: Simplify right side
    25,650.36x = 696,753,287.25
  5. Step 5: Solve for x
    x = 696,753,287.25/25,650.36
  6. Step 6: Final answer
    x = 27,163.49

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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.