Home / 25,650.64-38,450.44-12,319.93

Finding the Fourth Proportional to 25,650.64, 38,450.44 and 12,319.93

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Solution

The fourth proportional to 25,650.64, 38,450.44 and 12,319.93 is: 18,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.64 : 38,450.44 = 12,319.93 : x
  2. Step 2: Convert to fraction form
    25,650.64/38,450.44 = 12,319.93/x
  3. Step 3: Cross multiply
    25,650.64x = 38,450.44 × 12,319.93
  4. Step 4: Simplify right side
    25,650.64x = 473,706,729.27
  5. Step 5: Solve for x
    x = 473,706,729.27/25,650.64
  6. Step 6: Final answer
    x = 18,467.64

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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.