Home / 13,072.79-19,606.46-4,305.66

Finding the Fourth Proportional to 13,072.79, 19,606.46 and 4,305.66

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Solution

The fourth proportional to 13,072.79, 19,606.46 and 4,305.66 is: 6,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.79 : 19,606.46 = 4,305.66 : x
  2. Step 2: Convert to fraction form
    13,072.79/19,606.46 = 4,305.66/x
  3. Step 3: Cross multiply
    13,072.79x = 19,606.46 × 4,305.66
  4. Step 4: Simplify right side
    13,072.79x = 84,418,655.51
  5. Step 5: Solve for x
    x = 84,418,655.51/13,072.79
  6. Step 6: Final answer
    x = 6,457.58

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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.