Home / 25,849.98-38,750.30-8,307.48

Finding the Fourth Proportional to 25,849.98, 38,750.30 and 8,307.48

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Solution

The fourth proportional to 25,849.98, 38,750.30 and 8,307.48 is: 12,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.98 : 38,750.30 = 8,307.48 : x
  2. Step 2: Convert to fraction form
    25,849.98/38,750.30 = 8,307.48/x
  3. Step 3: Cross multiply
    25,849.98x = 38,750.30 × 8,307.48
  4. Step 4: Simplify right side
    25,849.98x = 321,917,342.24
  5. Step 5: Solve for x
    x = 321,917,342.24/25,849.98
  6. Step 6: Final answer
    x = 12,453.29

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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.