Home / 25,829.75-38,739.54-7,104.98

Finding the Fourth Proportional to 25,829.75, 38,739.54 and 7,104.98

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Solution

The fourth proportional to 25,829.75, 38,739.54 and 7,104.98 is: 10,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.75 : 38,739.54 = 7,104.98 : x
  2. Step 2: Convert to fraction form
    25,829.75/38,739.54 = 7,104.98/x
  3. Step 3: Cross multiply
    25,829.75x = 38,739.54 × 7,104.98
  4. Step 4: Simplify right side
    25,829.75x = 275,243,656.91
  5. Step 5: Solve for x
    x = 275,243,656.91/25,829.75
  6. Step 6: Final answer
    x = 10,656.07

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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.