Home / 19,115.96-28,677.92-9,633.60

Finding the Fourth Proportional to 19,115.96, 28,677.92 and 9,633.60

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Solution

The fourth proportional to 19,115.96, 28,677.92 and 9,633.60 is: 14,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.96 : 28,677.92 = 9,633.60 : x
  2. Step 2: Convert to fraction form
    19,115.96/28,677.92 = 9,633.60/x
  3. Step 3: Cross multiply
    19,115.96x = 28,677.92 × 9,633.60
  4. Step 4: Simplify right side
    19,115.96x = 276,271,610.11
  5. Step 5: Solve for x
    x = 276,271,610.11/19,115.96
  6. Step 6: Final answer
    x = 14,452.41

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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.