Home / 13,071.29-19,606.94-4,749.76

Finding the Fourth Proportional to 13,071.29, 19,606.94 and 4,749.76

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Solution

The fourth proportional to 13,071.29, 19,606.94 and 4,749.76 is: 7,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.29 : 19,606.94 = 4,749.76 : x
  2. Step 2: Convert to fraction form
    13,071.29/19,606.94 = 4,749.76/x
  3. Step 3: Cross multiply
    13,071.29x = 19,606.94 × 4,749.76
  4. Step 4: Simplify right side
    13,071.29x = 93,128,137.55
  5. Step 5: Solve for x
    x = 93,128,137.55/13,071.29
  6. Step 6: Final answer
    x = 7,124.63

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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.