Home / 15,872.09-23,811.59-4,777.93

Finding the Fourth Proportional to 15,872.09, 23,811.59 and 4,777.93

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Solution

The fourth proportional to 15,872.09, 23,811.59 and 4,777.93 is: 7,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.09 : 23,811.59 = 4,777.93 : x
  2. Step 2: Convert to fraction form
    15,872.09/23,811.59 = 4,777.93/x
  3. Step 3: Cross multiply
    15,872.09x = 23,811.59 × 4,777.93
  4. Step 4: Simplify right side
    15,872.09x = 113,770,026.79
  5. Step 5: Solve for x
    x = 113,770,026.79/15,872.09
  6. Step 6: Final answer
    x = 7,167.93

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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.