Home / 14,124-19,491.24-7,836.36

Finding the Fourth Proportional to 14,124, 19,491.24 and 7,836.36

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Solution

The fourth proportional to 14,124, 19,491.24 and 7,836.36 is: 10,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124 : 19,491.24 = 7,836.36 : x
  2. Step 2: Convert to fraction form
    14,124/19,491.24 = 7,836.36/x
  3. Step 3: Cross multiply
    14,124x = 19,491.24 × 7,836.36
  4. Step 4: Simplify right side
    14,124x = 152,740,373.49
  5. Step 5: Solve for x
    x = 152,740,373.49/14,124
  6. Step 6: Final answer
    x = 10,814.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.