Home / 43,518.69-65,282.58-18,561.38

Finding the Fourth Proportional to 43,518.69, 65,282.58 and 18,561.38

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Solution

The fourth proportional to 43,518.69, 65,282.58 and 18,561.38 is: 27,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,518.69 : 65,282.58 = 18,561.38 : x
  2. Step 2: Convert to fraction form
    43,518.69/65,282.58 = 18,561.38/x
  3. Step 3: Cross multiply
    43,518.69x = 65,282.58 × 18,561.38
  4. Step 4: Simplify right side
    43,518.69x = 1,211,734,448.35
  5. Step 5: Solve for x
    x = 1,211,734,448.35/43,518.69
  6. Step 6: Final answer
    x = 27,844.00

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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.