Home / 19,425.35-29,144.14-6,945.08

Finding the Fourth Proportional to 19,425.35, 29,144.14 and 6,945.08

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Solution

The fourth proportional to 19,425.35, 29,144.14 and 6,945.08 is: 10,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.35 : 29,144.14 = 6,945.08 : x
  2. Step 2: Convert to fraction form
    19,425.35/29,144.14 = 6,945.08/x
  3. Step 3: Cross multiply
    19,425.35x = 29,144.14 × 6,945.08
  4. Step 4: Simplify right side
    19,425.35x = 202,408,220.75
  5. Step 5: Solve for x
    x = 202,408,220.75/19,425.35
  6. Step 6: Final answer
    x = 10,419.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.