Home / 14,664.61-20,236.63-8,692.75

Finding the Fourth Proportional to 14,664.61, 20,236.63 and 8,692.75

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Solution

The fourth proportional to 14,664.61, 20,236.63 and 8,692.75 is: 11,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.61 : 20,236.63 = 8,692.75 : x
  2. Step 2: Convert to fraction form
    14,664.61/20,236.63 = 8,692.75/x
  3. Step 3: Cross multiply
    14,664.61x = 20,236.63 × 8,692.75
  4. Step 4: Simplify right side
    14,664.61x = 175,911,965.43
  5. Step 5: Solve for x
    x = 175,911,965.43/14,664.61
  6. Step 6: Final answer
    x = 11,995.68

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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.