Home / 19,875.26-29,794.36-6,718.43

Finding the Fourth Proportional to 19,875.26, 29,794.36 and 6,718.43

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Solution

The fourth proportional to 19,875.26, 29,794.36 and 6,718.43 is: 10,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.26 : 29,794.36 = 6,718.43 : x
  2. Step 2: Convert to fraction form
    19,875.26/29,794.36 = 6,718.43/x
  3. Step 3: Cross multiply
    19,875.26x = 29,794.36 × 6,718.43
  4. Step 4: Simplify right side
    19,875.26x = 200,171,392.34
  5. Step 5: Solve for x
    x = 200,171,392.34/19,875.26
  6. Step 6: Final answer
    x = 10,071.38

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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.