Home / 19,065.64-28,601.10-5,919.08

Finding the Fourth Proportional to 19,065.64, 28,601.10 and 5,919.08

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Solution

The fourth proportional to 19,065.64, 28,601.10 and 5,919.08 is: 8,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.64 : 28,601.10 = 5,919.08 : x
  2. Step 2: Convert to fraction form
    19,065.64/28,601.10 = 5,919.08/x
  3. Step 3: Cross multiply
    19,065.64x = 28,601.10 × 5,919.08
  4. Step 4: Simplify right side
    19,065.64x = 169,292,198.99
  5. Step 5: Solve for x
    x = 169,292,198.99/19,065.64
  6. Step 6: Final answer
    x = 8,879.44

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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.