Home / 13,006.16-19,505.76-3,645.62

Finding the Fourth Proportional to 13,006.16, 19,505.76 and 3,645.62

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Solution

The fourth proportional to 13,006.16, 19,505.76 and 3,645.62 is: 5,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.16 : 19,505.76 = 3,645.62 : x
  2. Step 2: Convert to fraction form
    13,006.16/19,505.76 = 3,645.62/x
  3. Step 3: Cross multiply
    13,006.16x = 19,505.76 × 3,645.62
  4. Step 4: Simplify right side
    13,006.16x = 71,110,588.77
  5. Step 5: Solve for x
    x = 71,110,588.77/13,006.16
  6. Step 6: Final answer
    x = 5,467.45

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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.