Home / 15,698.21-23,542.38-5,166.05

Finding the Fourth Proportional to 15,698.21, 23,542.38 and 5,166.05

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Solution

The fourth proportional to 15,698.21, 23,542.38 and 5,166.05 is: 7,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.21 : 23,542.38 = 5,166.05 : x
  2. Step 2: Convert to fraction form
    15,698.21/23,542.38 = 5,166.05/x
  3. Step 3: Cross multiply
    15,698.21x = 23,542.38 × 5,166.05
  4. Step 4: Simplify right side
    15,698.21x = 121,620,994.49
  5. Step 5: Solve for x
    x = 121,620,994.49/15,698.21
  6. Step 6: Final answer
    x = 7,747.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.