Home / 25,698.75-38,548.13-7,230.75

Finding the Fourth Proportional to 25,698.75, 38,548.13 and 7,230.75

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Solution

The fourth proportional to 25,698.75, 38,548.13 and 7,230.75 is: 10,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.75 : 38,548.13 = 7,230.75 : x
  2. Step 2: Convert to fraction form
    25,698.75/38,548.13 = 7,230.75/x
  3. Step 3: Cross multiply
    25,698.75x = 38,548.13 × 7,230.75
  4. Step 4: Simplify right side
    25,698.75x = 278,731,854.84
  5. Step 5: Solve for x
    x = 278,731,854.84/25,698.75
  6. Step 6: Final answer
    x = 10,846.13

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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.