Home / 14,029.82-19,359.43-7,742.19

Finding the Fourth Proportional to 14,029.82, 19,359.43 and 7,742.19

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Solution

The fourth proportional to 14,029.82, 19,359.43 and 7,742.19 is: 10,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.82 : 19,359.43 = 7,742.19 : x
  2. Step 2: Convert to fraction form
    14,029.82/19,359.43 = 7,742.19/x
  3. Step 3: Cross multiply
    14,029.82x = 19,359.43 × 7,742.19
  4. Step 4: Simplify right side
    14,029.82x = 149,884,385.35
  5. Step 5: Solve for x
    x = 149,884,385.35/14,029.82
  6. Step 6: Final answer
    x = 10,683.27

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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.