Home / 15,245.79-22,872.03-4,571.72

Finding the Fourth Proportional to 15,245.79, 22,872.03 and 4,571.72

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Solution

The fourth proportional to 15,245.79, 22,872.03 and 4,571.72 is: 6,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.79 : 22,872.03 = 4,571.72 : x
  2. Step 2: Convert to fraction form
    15,245.79/22,872.03 = 4,571.72/x
  3. Step 3: Cross multiply
    15,245.79x = 22,872.03 × 4,571.72
  4. Step 4: Simplify right side
    15,245.79x = 104,564,402.63
  5. Step 5: Solve for x
    x = 104,564,402.63/15,245.79
  6. Step 6: Final answer
    x = 6,858.58

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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.