Home / 14,120.97-19,487.75-8,533.77

Finding the Fourth Proportional to 14,120.97, 19,487.75 and 8,533.77

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Solution

The fourth proportional to 14,120.97, 19,487.75 and 8,533.77 is: 11,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.97 : 19,487.75 = 8,533.77 : x
  2. Step 2: Convert to fraction form
    14,120.97/19,487.75 = 8,533.77/x
  3. Step 3: Cross multiply
    14,120.97x = 19,487.75 × 8,533.77
  4. Step 4: Simplify right side
    14,120.97x = 166,303,976.32
  5. Step 5: Solve for x
    x = 166,303,976.32/14,120.97
  6. Step 6: Final answer
    x = 11,777.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.