Home / 53,858.20-80,786.12-14,415.32

Finding the Fourth Proportional to 53,858.20, 80,786.12 and 14,415.32

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Solution

The fourth proportional to 53,858.20, 80,786.12 and 14,415.32 is: 21,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.20 : 80,786.12 = 14,415.32 : x
  2. Step 2: Convert to fraction form
    53,858.20/80,786.12 = 14,415.32/x
  3. Step 3: Cross multiply
    53,858.20x = 80,786.12 × 14,415.32
  4. Step 4: Simplify right side
    53,858.20x = 1,164,557,771.36
  5. Step 5: Solve for x
    x = 1,164,557,771.36/53,858.20
  6. Step 6: Final answer
    x = 21,622.66

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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.