Home / 14,271.74-19,694.19-7,898.11

Finding the Fourth Proportional to 14,271.74, 19,694.19 and 7,898.11

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Solution

The fourth proportional to 14,271.74, 19,694.19 and 7,898.11 is: 10,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.74 : 19,694.19 = 7,898.11 : x
  2. Step 2: Convert to fraction form
    14,271.74/19,694.19 = 7,898.11/x
  3. Step 3: Cross multiply
    14,271.74x = 19,694.19 × 7,898.11
  4. Step 4: Simplify right side
    14,271.74x = 155,546,814.94
  5. Step 5: Solve for x
    x = 155,546,814.94/14,271.74
  6. Step 6: Final answer
    x = 10,898.94

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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.