Home / 19,556.87-29,335.31-4,765.67

Finding the Fourth Proportional to 19,556.87, 29,335.31 and 4,765.67

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Solution

The fourth proportional to 19,556.87, 29,335.31 and 4,765.67 is: 7,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.87 : 29,335.31 = 4,765.67 : x
  2. Step 2: Convert to fraction form
    19,556.87/29,335.31 = 4,765.67/x
  3. Step 3: Cross multiply
    19,556.87x = 29,335.31 × 4,765.67
  4. Step 4: Simplify right side
    19,556.87x = 139,802,236.30
  5. Step 5: Solve for x
    x = 139,802,236.30/19,556.87
  6. Step 6: Final answer
    x = 7,148.50

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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.