Home / 25,673.36-35,431.62-15,599.48

Finding the Fourth Proportional to 25,673.36, 35,431.62 and 15,599.48

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Solution

The fourth proportional to 25,673.36, 35,431.62 and 15,599.48 is: 21,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.36 : 35,431.62 = 15,599.48 : x
  2. Step 2: Convert to fraction form
    25,673.36/35,431.62 = 15,599.48/x
  3. Step 3: Cross multiply
    25,673.36x = 35,431.62 × 15,599.48
  4. Step 4: Simplify right side
    25,673.36x = 552,714,847.56
  5. Step 5: Solve for x
    x = 552,714,847.56/25,673.36
  6. Step 6: Final answer
    x = 21,528.73

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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.