Home / 19,719.37-29,578.51-6,571.99

Finding the Fourth Proportional to 19,719.37, 29,578.51 and 6,571.99

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Solution

The fourth proportional to 19,719.37, 29,578.51 and 6,571.99 is: 9,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.37 : 29,578.51 = 6,571.99 : x
  2. Step 2: Convert to fraction form
    19,719.37/29,578.51 = 6,571.99/x
  3. Step 3: Cross multiply
    19,719.37x = 29,578.51 × 6,571.99
  4. Step 4: Simplify right side
    19,719.37x = 194,389,671.93
  5. Step 5: Solve for x
    x = 194,389,671.93/19,719.37
  6. Step 6: Final answer
    x = 9,857.80

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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.