Home / 13,007.01-19,511.33-5,214.81

Finding the Fourth Proportional to 13,007.01, 19,511.33 and 5,214.81

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Solution

The fourth proportional to 13,007.01, 19,511.33 and 5,214.81 is: 7,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.01 : 19,511.33 = 5,214.81 : x
  2. Step 2: Convert to fraction form
    13,007.01/19,511.33 = 5,214.81/x
  3. Step 3: Cross multiply
    13,007.01x = 19,511.33 × 5,214.81
  4. Step 4: Simplify right side
    13,007.01x = 101,747,852.72
  5. Step 5: Solve for x
    x = 101,747,852.72/13,007.01
  6. Step 6: Final answer
    x = 7,822.54

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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.