Home / 19,361.24-26,705.78-15,376.04

Finding the Fourth Proportional to 19,361.24, 26,705.78 and 15,376.04

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Solution

The fourth proportional to 19,361.24, 26,705.78 and 15,376.04 is: 21,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.24 : 26,705.78 = 15,376.04 : x
  2. Step 2: Convert to fraction form
    19,361.24/26,705.78 = 15,376.04/x
  3. Step 3: Cross multiply
    19,361.24x = 26,705.78 × 15,376.04
  4. Step 4: Simplify right side
    19,361.24x = 410,629,141.51
  5. Step 5: Solve for x
    x = 410,629,141.51/19,361.24
  6. Step 6: Final answer
    x = 21,208.82

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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.