Home / 19,192.20-28,739.08-16,239.76

Finding the Fourth Proportional to 19,192.20, 28,739.08 and 16,239.76

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Solution

The fourth proportional to 19,192.20, 28,739.08 and 16,239.76 is: 24,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.20 : 28,739.08 = 16,239.76 : x
  2. Step 2: Convert to fraction form
    19,192.20/28,739.08 = 16,239.76/x
  3. Step 3: Cross multiply
    19,192.20x = 28,739.08 × 16,239.76
  4. Step 4: Simplify right side
    19,192.20x = 466,715,761.82
  5. Step 5: Solve for x
    x = 466,715,761.82/19,192.20
  6. Step 6: Final answer
    x = 24,317.99

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1.5x scale

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.