Home / 19,065.90-28,601.61-5,919.34

Finding the Fourth Proportional to 19,065.90, 28,601.61 and 5,919.34

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Solution

The fourth proportional to 19,065.90, 28,601.61 and 5,919.34 is: 8,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.90 : 28,601.61 = 5,919.34 : x
  2. Step 2: Convert to fraction form
    19,065.90/28,601.61 = 5,919.34/x
  3. Step 3: Cross multiply
    19,065.90x = 28,601.61 × 5,919.34
  4. Step 4: Simplify right side
    19,065.90x = 169,302,654.14
  5. Step 5: Solve for x
    x = 169,302,654.14/19,065.90
  6. Step 6: Final answer
    x = 8,879.87

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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.