Home / 12,670.74-19,000.66-4,351.59

Finding the Fourth Proportional to 12,670.74, 19,000.66 and 4,351.59

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Solution

The fourth proportional to 12,670.74, 19,000.66 and 4,351.59 is: 6,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.74 : 19,000.66 = 4,351.59 : x
  2. Step 2: Convert to fraction form
    12,670.74/19,000.66 = 4,351.59/x
  3. Step 3: Cross multiply
    12,670.74x = 19,000.66 × 4,351.59
  4. Step 4: Simplify right side
    12,670.74x = 82,682,987.05
  5. Step 5: Solve for x
    x = 82,682,987.05/12,670.74
  6. Step 6: Final answer
    x = 6,525.51

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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.