Home / 13,300.72-19,950.36-4,066

Finding the Fourth Proportional to 13,300.72, 19,950.36 and 4,066

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Solution

The fourth proportional to 13,300.72, 19,950.36 and 4,066 is: 6,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.72 : 19,950.36 = 4,066 : x
  2. Step 2: Convert to fraction form
    13,300.72/19,950.36 = 4,066/x
  3. Step 3: Cross multiply
    13,300.72x = 19,950.36 × 4,066
  4. Step 4: Simplify right side
    13,300.72x = 81,118,163.76
  5. Step 5: Solve for x
    x = 81,118,163.76/13,300.72
  6. Step 6: Final answer
    x = 6,098.78

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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.