Home / 17,378.31-23,985.81-13,593.99

Finding the Fourth Proportional to 17,378.31, 23,985.81 and 13,593.99

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Solution

The fourth proportional to 17,378.31, 23,985.81 and 13,593.99 is: 18,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.31 : 23,985.81 = 13,593.99 : x
  2. Step 2: Convert to fraction form
    17,378.31/23,985.81 = 13,593.99/x
  3. Step 3: Cross multiply
    17,378.31x = 23,985.81 × 13,593.99
  4. Step 4: Simplify right side
    17,378.31x = 326,062,861.28
  5. Step 5: Solve for x
    x = 326,062,861.28/17,378.31
  6. Step 6: Final answer
    x = 18,762.63

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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.