Home / 40,782.39-61,198.23-14,485.13

Finding the Fourth Proportional to 40,782.39, 61,198.23 and 14,485.13

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Solution

The fourth proportional to 40,782.39, 61,198.23 and 14,485.13 is: 21,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.39 : 61,198.23 = 14,485.13 : x
  2. Step 2: Convert to fraction form
    40,782.39/61,198.23 = 14,485.13/x
  3. Step 3: Cross multiply
    40,782.39x = 61,198.23 × 14,485.13
  4. Step 4: Simplify right side
    40,782.39x = 886,464,295.14
  5. Step 5: Solve for x
    x = 886,464,295.14/40,782.39
  6. Step 6: Final answer
    x = 21,736.45

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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.