Home / 14,271.24-19,694.49-7,897.74

Finding the Fourth Proportional to 14,271.24, 19,694.49 and 7,897.74

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Solution

The fourth proportional to 14,271.24, 19,694.49 and 7,897.74 is: 10,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.24 : 19,694.49 = 7,897.74 : x
  2. Step 2: Convert to fraction form
    14,271.24/19,694.49 = 7,897.74/x
  3. Step 3: Cross multiply
    14,271.24x = 19,694.49 × 7,897.74
  4. Step 4: Simplify right side
    14,271.24x = 155,541,961.45
  5. Step 5: Solve for x
    x = 155,541,961.45/14,271.24
  6. Step 6: Final answer
    x = 10,898.98

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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.