Home / 13,070.63-19,606.01-3,209.91

Finding the Fourth Proportional to 13,070.63, 19,606.01 and 3,209.91

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Solution

The fourth proportional to 13,070.63, 19,606.01 and 3,209.91 is: 4,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.63 : 19,606.01 = 3,209.91 : x
  2. Step 2: Convert to fraction form
    13,070.63/19,606.01 = 3,209.91/x
  3. Step 3: Cross multiply
    13,070.63x = 19,606.01 × 3,209.91
  4. Step 4: Simplify right side
    13,070.63x = 62,933,527.56
  5. Step 5: Solve for x
    x = 62,933,527.56/13,070.63
  6. Step 6: Final answer
    x = 4,814.88

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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.