Home / 14,043.08-21,020.78-10,349.48

Finding the Fourth Proportional to 14,043.08, 21,020.78 and 10,349.48

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Solution

The fourth proportional to 14,043.08, 21,020.78 and 10,349.48 is: 15,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.08 : 21,020.78 = 10,349.48 : x
  2. Step 2: Convert to fraction form
    14,043.08/21,020.78 = 10,349.48/x
  3. Step 3: Cross multiply
    14,043.08x = 21,020.78 × 10,349.48
  4. Step 4: Simplify right side
    14,043.08x = 217,554,142.19
  5. Step 5: Solve for x
    x = 217,554,142.19/14,043.08
  6. Step 6: Final answer
    x = 15,491.91

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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.