Home / 19,060.20-28,532.70-16,986.60

Finding the Fourth Proportional to 19,060.20, 28,532.70 and 16,986.60

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Solution

The fourth proportional to 19,060.20, 28,532.70 and 16,986.60 is: 25,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.20 : 28,532.70 = 16,986.60 : x
  2. Step 2: Convert to fraction form
    19,060.20/28,532.70 = 16,986.60/x
  3. Step 3: Cross multiply
    19,060.20x = 28,532.70 × 16,986.60
  4. Step 4: Simplify right side
    19,060.20x = 484,673,561.82
  5. Step 5: Solve for x
    x = 484,673,561.82/19,060.20
  6. Step 6: Final answer
    x = 25,428.57

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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.