Home / 18,590.36-27,885.38-4,550.45

Finding the Fourth Proportional to 18,590.36, 27,885.38 and 4,550.45

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Solution

The fourth proportional to 18,590.36, 27,885.38 and 4,550.45 is: 6,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.36 : 27,885.38 = 4,550.45 : x
  2. Step 2: Convert to fraction form
    18,590.36/27,885.38 = 4,550.45/x
  3. Step 3: Cross multiply
    18,590.36x = 27,885.38 × 4,550.45
  4. Step 4: Simplify right side
    18,590.36x = 126,891,074.38
  5. Step 5: Solve for x
    x = 126,891,074.38/18,590.36
  6. Step 6: Final answer
    x = 6,825.64

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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.