Home / 19,368.07-29,048.61-5,136.64

Finding the Fourth Proportional to 19,368.07, 29,048.61 and 5,136.64

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Solution

The fourth proportional to 19,368.07, 29,048.61 and 5,136.64 is: 7,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.07 : 29,048.61 = 5,136.64 : x
  2. Step 2: Convert to fraction form
    19,368.07/29,048.61 = 5,136.64/x
  3. Step 3: Cross multiply
    19,368.07x = 29,048.61 × 5,136.64
  4. Step 4: Simplify right side
    19,368.07x = 149,212,252.07
  5. Step 5: Solve for x
    x = 149,212,252.07/19,368.07
  6. Step 6: Final answer
    x = 7,704.03

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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.