Home / 13,160.03-19,743.29-9,272.03

Finding the Fourth Proportional to 13,160.03, 19,743.29 and 9,272.03

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Solution

The fourth proportional to 13,160.03, 19,743.29 and 9,272.03 is: 13,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.03 : 19,743.29 = 9,272.03 : x
  2. Step 2: Convert to fraction form
    13,160.03/19,743.29 = 9,272.03/x
  3. Step 3: Cross multiply
    13,160.03x = 19,743.29 × 9,272.03
  4. Step 4: Simplify right side
    13,160.03x = 183,060,232.10
  5. Step 5: Solve for x
    x = 183,060,232.10/13,160.03
  6. Step 6: Final answer
    x = 13,910.33

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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.