Home / 14,625.84-20,187.72-8,659.56

Finding the Fourth Proportional to 14,625.84, 20,187.72 and 8,659.56

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Solution

The fourth proportional to 14,625.84, 20,187.72 and 8,659.56 is: 11,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.84 : 20,187.72 = 8,659.56 : x
  2. Step 2: Convert to fraction form
    14,625.84/20,187.72 = 8,659.56/x
  3. Step 3: Cross multiply
    14,625.84x = 20,187.72 × 8,659.56
  4. Step 4: Simplify right side
    14,625.84x = 174,816,772.60
  5. Step 5: Solve for x
    x = 174,816,772.60/14,625.84
  6. Step 6: Final answer
    x = 11,952.60

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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.