Home / 13,223.45-19,827.17-5,208.62

Finding the Fourth Proportional to 13,223.45, 19,827.17 and 5,208.62

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Solution

The fourth proportional to 13,223.45, 19,827.17 and 5,208.62 is: 7,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.45 : 19,827.17 = 5,208.62 : x
  2. Step 2: Convert to fraction form
    13,223.45/19,827.17 = 5,208.62/x
  3. Step 3: Cross multiply
    13,223.45x = 19,827.17 × 5,208.62
  4. Step 4: Simplify right side
    13,223.45x = 103,272,168.16
  5. Step 5: Solve for x
    x = 103,272,168.16/13,223.45
  6. Step 6: Final answer
    x = 7,809.77

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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.