Home / 19,714.86-29,571.80-8,028.05

Finding the Fourth Proportional to 19,714.86, 29,571.80 and 8,028.05

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Solution

The fourth proportional to 19,714.86, 29,571.80 and 8,028.05 is: 12,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.86 : 29,571.80 = 8,028.05 : x
  2. Step 2: Convert to fraction form
    19,714.86/29,571.80 = 8,028.05/x
  3. Step 3: Cross multiply
    19,714.86x = 29,571.80 × 8,028.05
  4. Step 4: Simplify right side
    19,714.86x = 237,403,700.99
  5. Step 5: Solve for x
    x = 237,403,700.99/19,714.86
  6. Step 6: Final answer
    x = 12,041.87

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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.