Home / 19,021.48-28,517.16-9,652.88

Finding the Fourth Proportional to 19,021.48, 28,517.16 and 9,652.88

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Solution

The fourth proportional to 19,021.48, 28,517.16 and 9,652.88 is: 14,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.48 : 28,517.16 = 9,652.88 : x
  2. Step 2: Convert to fraction form
    19,021.48/28,517.16 = 9,652.88/x
  3. Step 3: Cross multiply
    19,021.48x = 28,517.16 × 9,652.88
  4. Step 4: Simplify right side
    19,021.48x = 275,272,723.42
  5. Step 5: Solve for x
    x = 275,272,723.42/19,021.48
  6. Step 6: Final answer
    x = 14,471.68

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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.