Home / 20,585.04-30,879.38-5,794.08

Finding the Fourth Proportional to 20,585.04, 30,879.38 and 5,794.08

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Solution

The fourth proportional to 20,585.04, 30,879.38 and 5,794.08 is: 8,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585.04 : 30,879.38 = 5,794.08 : x
  2. Step 2: Convert to fraction form
    20,585.04/30,879.38 = 5,794.08/x
  3. Step 3: Cross multiply
    20,585.04x = 30,879.38 × 5,794.08
  4. Step 4: Simplify right side
    20,585.04x = 178,917,598.07
  5. Step 5: Solve for x
    x = 178,917,598.07/20,585.04
  6. Step 6: Final answer
    x = 8,691.63

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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.