Home / 13,606.93-18,734.61-12,361.24

Finding the Fourth Proportional to 13,606.93, 18,734.61 and 12,361.24

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Solution

The fourth proportional to 13,606.93, 18,734.61 and 12,361.24 is: 17,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.93 : 18,734.61 = 12,361.24 : x
  2. Step 2: Convert to fraction form
    13,606.93/18,734.61 = 12,361.24/x
  3. Step 3: Cross multiply
    13,606.93x = 18,734.61 × 12,361.24
  4. Step 4: Simplify right side
    13,606.93x = 231,583,010.52
  5. Step 5: Solve for x
    x = 231,583,010.52/13,606.93
  6. Step 6: Final answer
    x = 17,019.49

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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.