Home / 15,911.10-23,860.56-4,814.10

Finding the Fourth Proportional to 15,911.10, 23,860.56 and 4,814.10

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Solution

The fourth proportional to 15,911.10, 23,860.56 and 4,814.10 is: 7,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.10 : 23,860.56 = 4,814.10 : x
  2. Step 2: Convert to fraction form
    15,911.10/23,860.56 = 4,814.10/x
  3. Step 3: Cross multiply
    15,911.10x = 23,860.56 × 4,814.10
  4. Step 4: Simplify right side
    15,911.10x = 114,867,121.90
  5. Step 5: Solve for x
    x = 114,867,121.90/15,911.10
  6. Step 6: Final answer
    x = 7,219.31

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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.