Home / 17,361.78-23,943.51-11,391.18

Finding the Fourth Proportional to 17,361.78, 23,943.51 and 11,391.18

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Solution

The fourth proportional to 17,361.78, 23,943.51 and 11,391.18 is: 15,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.78 : 23,943.51 = 11,391.18 : x
  2. Step 2: Convert to fraction form
    17,361.78/23,943.51 = 11,391.18/x
  3. Step 3: Cross multiply
    17,361.78x = 23,943.51 × 11,391.18
  4. Step 4: Simplify right side
    17,361.78x = 272,744,832.24
  5. Step 5: Solve for x
    x = 272,744,832.24/17,361.78
  6. Step 6: Final answer
    x = 15,709.50

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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.