Home / 13,071.60-19,609.43-4,303.76

Finding the Fourth Proportional to 13,071.60, 19,609.43 and 4,303.76

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Solution

The fourth proportional to 13,071.60, 19,609.43 and 4,303.76 is: 6,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.60 : 19,609.43 = 4,303.76 : x
  2. Step 2: Convert to fraction form
    13,071.60/19,609.43 = 4,303.76/x
  3. Step 3: Cross multiply
    13,071.60x = 19,609.43 × 4,303.76
  4. Step 4: Simplify right side
    13,071.60x = 84,394,160.89
  5. Step 5: Solve for x
    x = 84,394,160.89/13,071.60
  6. Step 6: Final answer
    x = 6,456.30

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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.