Home / 14,029.89-19,361.23-7,742.26

Finding the Fourth Proportional to 14,029.89, 19,361.23 and 7,742.26

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Solution

The fourth proportional to 14,029.89, 19,361.23 and 7,742.26 is: 10,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.89 : 19,361.23 = 7,742.26 : x
  2. Step 2: Convert to fraction form
    14,029.89/19,361.23 = 7,742.26/x
  3. Step 3: Cross multiply
    14,029.89x = 19,361.23 × 7,742.26
  4. Step 4: Simplify right side
    14,029.89x = 149,899,676.58
  5. Step 5: Solve for x
    x = 149,899,676.58/14,029.89
  6. Step 6: Final answer
    x = 10,684.31

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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.