Home / 25,930.11-35,783.01-15,858.66

Finding the Fourth Proportional to 25,930.11, 35,783.01 and 15,858.66

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Solution

The fourth proportional to 25,930.11, 35,783.01 and 15,858.66 is: 21,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.11 : 35,783.01 = 15,858.66 : x
  2. Step 2: Convert to fraction form
    25,930.11/35,783.01 = 15,858.66/x
  3. Step 3: Cross multiply
    25,930.11x = 35,783.01 × 15,858.66
  4. Step 4: Simplify right side
    25,930.11x = 567,470,589.37
  5. Step 5: Solve for x
    x = 567,470,589.37/25,930.11
  6. Step 6: Final answer
    x = 21,884.62

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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.