Home / 25,851.48-38,752.56-8,308.98

Finding the Fourth Proportional to 25,851.48, 38,752.56 and 8,308.98

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Solution

The fourth proportional to 25,851.48, 38,752.56 and 8,308.98 is: 12,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.48 : 38,752.56 = 8,308.98 : x
  2. Step 2: Convert to fraction form
    25,851.48/38,752.56 = 8,308.98/x
  3. Step 3: Cross multiply
    25,851.48x = 38,752.56 × 8,308.98
  4. Step 4: Simplify right side
    25,851.48x = 321,994,245.99
  5. Step 5: Solve for x
    x = 321,994,245.99/25,851.48
  6. Step 6: Final answer
    x = 12,455.54

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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.