Home / 25,825.10-38,732.60-7,100.33

Finding the Fourth Proportional to 25,825.10, 38,732.60 and 7,100.33

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Solution

The fourth proportional to 25,825.10, 38,732.60 and 7,100.33 is: 10,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.10 : 38,732.60 = 7,100.33 : x
  2. Step 2: Convert to fraction form
    25,825.10/38,732.60 = 7,100.33/x
  3. Step 3: Cross multiply
    25,825.10x = 38,732.60 × 7,100.33
  4. Step 4: Simplify right side
    25,825.10x = 275,014,065.85
  5. Step 5: Solve for x
    x = 275,014,065.85/25,825.10
  6. Step 6: Final answer
    x = 10,649.10

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1.5x scale

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.