Home / 13,302.81-19,956.33-4,418.46

Finding the Fourth Proportional to 13,302.81, 19,956.33 and 4,418.46

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Solution

The fourth proportional to 13,302.81, 19,956.33 and 4,418.46 is: 6,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.81 : 19,956.33 = 4,418.46 : x
  2. Step 2: Convert to fraction form
    13,302.81/19,956.33 = 4,418.46/x
  3. Step 3: Cross multiply
    13,302.81x = 19,956.33 × 4,418.46
  4. Step 4: Simplify right side
    13,302.81x = 88,176,245.85
  5. Step 5: Solve for x
    x = 88,176,245.85/13,302.81
  6. Step 6: Final answer
    x = 6,628.39

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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.