Home / 19,023.23-28,519.79-9,654.63

Finding the Fourth Proportional to 19,023.23, 28,519.79 and 9,654.63

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Solution

The fourth proportional to 19,023.23, 28,519.79 and 9,654.63 is: 14,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.23 : 28,519.79 = 9,654.63 : x
  2. Step 2: Convert to fraction form
    19,023.23/28,519.79 = 9,654.63/x
  3. Step 3: Cross multiply
    19,023.23x = 28,519.79 × 9,654.63
  4. Step 4: Simplify right side
    19,023.23x = 275,347,971.85
  5. Step 5: Solve for x
    x = 275,347,971.85/19,023.23
  6. Step 6: Final answer
    x = 14,474.31

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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.