Home / 13,536.12-20,303.70-4,302.36

Finding the Fourth Proportional to 13,536.12, 20,303.70 and 4,302.36

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Solution

The fourth proportional to 13,536.12, 20,303.70 and 4,302.36 is: 6,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.12 : 20,303.70 = 4,302.36 : x
  2. Step 2: Convert to fraction form
    13,536.12/20,303.70 = 4,302.36/x
  3. Step 3: Cross multiply
    13,536.12x = 20,303.70 × 4,302.36
  4. Step 4: Simplify right side
    13,536.12x = 87,353,826.73
  5. Step 5: Solve for x
    x = 87,353,826.73/13,536.12
  6. Step 6: Final answer
    x = 6,453.39

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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.