Home / 15,481.10-23,214.56-4,949.07

Finding the Fourth Proportional to 15,481.10, 23,214.56 and 4,949.07

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Solution

The fourth proportional to 15,481.10, 23,214.56 and 4,949.07 is: 7,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.10 : 23,214.56 = 4,949.07 : x
  2. Step 2: Convert to fraction form
    15,481.10/23,214.56 = 4,949.07/x
  3. Step 3: Cross multiply
    15,481.10x = 23,214.56 × 4,949.07
  4. Step 4: Simplify right side
    15,481.10x = 114,890,457.71
  5. Step 5: Solve for x
    x = 114,890,457.71/15,481.10
  6. Step 6: Final answer
    x = 7,421.34

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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.