Home / 13,151.90-19,716.10-4,829.98

Finding the Fourth Proportional to 13,151.90, 19,716.10 and 4,829.98

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Solution

The fourth proportional to 13,151.90, 19,716.10 and 4,829.98 is: 7,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.90 : 19,716.10 = 4,829.98 : x
  2. Step 2: Convert to fraction form
    13,151.90/19,716.10 = 4,829.98/x
  3. Step 3: Cross multiply
    13,151.90x = 19,716.10 × 4,829.98
  4. Step 4: Simplify right side
    13,151.90x = 95,228,368.68
  5. Step 5: Solve for x
    x = 95,228,368.68/13,151.90
  6. Step 6: Final answer
    x = 7,240.65

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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.