Home / 25,211.14-37,840.06-12,739.94

Finding the Fourth Proportional to 25,211.14, 37,840.06 and 12,739.94

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Solution

The fourth proportional to 25,211.14, 37,840.06 and 12,739.94 is: 19,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.14 : 37,840.06 = 12,739.94 : x
  2. Step 2: Convert to fraction form
    25,211.14/37,840.06 = 12,739.94/x
  3. Step 3: Cross multiply
    25,211.14x = 37,840.06 × 12,739.94
  4. Step 4: Simplify right side
    25,211.14x = 482,080,094.00
  5. Step 5: Solve for x
    x = 482,080,094.00/25,211.14
  6. Step 6: Final answer
    x = 19,121.71

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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.