Home / 13,207.33-19,802.49-7,355.89

Finding the Fourth Proportional to 13,207.33, 19,802.49 and 7,355.89

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Solution

The fourth proportional to 13,207.33, 19,802.49 and 7,355.89 is: 11,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.33 : 19,802.49 = 7,355.89 : x
  2. Step 2: Convert to fraction form
    13,207.33/19,802.49 = 7,355.89/x
  3. Step 3: Cross multiply
    13,207.33x = 19,802.49 × 7,355.89
  4. Step 4: Simplify right side
    13,207.33x = 145,664,938.17
  5. Step 5: Solve for x
    x = 145,664,938.17/13,207.33
  6. Step 6: Final answer
    x = 11,029.10

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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.