Home / 15,846.03-23,769.45-5,457.78

Finding the Fourth Proportional to 15,846.03, 23,769.45 and 5,457.78

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Solution

The fourth proportional to 15,846.03, 23,769.45 and 5,457.78 is: 8,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.03 : 23,769.45 = 5,457.78 : x
  2. Step 2: Convert to fraction form
    15,846.03/23,769.45 = 5,457.78/x
  3. Step 3: Cross multiply
    15,846.03x = 23,769.45 × 5,457.78
  4. Step 4: Simplify right side
    15,846.03x = 129,728,428.82
  5. Step 5: Solve for x
    x = 129,728,428.82/15,846.03
  6. Step 6: Final answer
    x = 8,186.81

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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.