Home / 19,350.72-28,982.21-15,851.52

Finding the Fourth Proportional to 19,350.72, 28,982.21 and 15,851.52

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Solution

The fourth proportional to 19,350.72, 28,982.21 and 15,851.52 is: 23,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.72 : 28,982.21 = 15,851.52 : x
  2. Step 2: Convert to fraction form
    19,350.72/28,982.21 = 15,851.52/x
  3. Step 3: Cross multiply
    19,350.72x = 28,982.21 × 15,851.52
  4. Step 4: Simplify right side
    19,350.72x = 459,412,002.20
  5. Step 5: Solve for x
    x = 459,412,002.20/19,350.72
  6. Step 6: Final answer
    x = 23,741.34

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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.