Home / 18,698.18-25,804.31-10,742.96

Finding the Fourth Proportional to 18,698.18, 25,804.31 and 10,742.96

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Solution

The fourth proportional to 18,698.18, 25,804.31 and 10,742.96 is: 14,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.18 : 25,804.31 = 10,742.96 : x
  2. Step 2: Convert to fraction form
    18,698.18/25,804.31 = 10,742.96/x
  3. Step 3: Cross multiply
    18,698.18x = 25,804.31 × 10,742.96
  4. Step 4: Simplify right side
    18,698.18x = 277,214,680.95
  5. Step 5: Solve for x
    x = 277,214,680.95/18,698.18
  6. Step 6: Final answer
    x = 14,825.76

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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.