Home / 17,343.36-23,945.54-11,385.14

Finding the Fourth Proportional to 17,343.36, 23,945.54 and 11,385.14

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Solution

The fourth proportional to 17,343.36, 23,945.54 and 11,385.14 is: 15,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.36 : 23,945.54 = 11,385.14 : x
  2. Step 2: Convert to fraction form
    17,343.36/23,945.54 = 11,385.14/x
  3. Step 3: Cross multiply
    17,343.36x = 23,945.54 × 11,385.14
  4. Step 4: Simplify right side
    17,343.36x = 272,623,148.62
  5. Step 5: Solve for x
    x = 272,623,148.62/17,343.36
  6. Step 6: Final answer
    x = 15,719.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.