Home / 15,046.60-20,742.67-10,556.44

Finding the Fourth Proportional to 15,046.60, 20,742.67 and 10,556.44

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Solution

The fourth proportional to 15,046.60, 20,742.67 and 10,556.44 is: 14,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.60 : 20,742.67 = 10,556.44 : x
  2. Step 2: Convert to fraction form
    15,046.60/20,742.67 = 10,556.44/x
  3. Step 3: Cross multiply
    15,046.60x = 20,742.67 × 10,556.44
  4. Step 4: Simplify right side
    15,046.60x = 218,968,751.29
  5. Step 5: Solve for x
    x = 218,968,751.29/15,046.60
  6. Step 6: Final answer
    x = 14,552.71

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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.