Home / 14,499.68-21,743.84-5,136.08

Finding the Fourth Proportional to 14,499.68, 21,743.84 and 5,136.08

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Solution

The fourth proportional to 14,499.68, 21,743.84 and 5,136.08 is: 7,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.68 : 21,743.84 = 5,136.08 : x
  2. Step 2: Convert to fraction form
    14,499.68/21,743.84 = 5,136.08/x
  3. Step 3: Cross multiply
    14,499.68x = 21,743.84 × 5,136.08
  4. Step 4: Simplify right side
    14,499.68x = 111,678,005.87
  5. Step 5: Solve for x
    x = 111,678,005.87/14,499.68
  6. Step 6: Final answer
    x = 7,702.10

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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.