Home / 14,965.53-20,651.73-8,587.70

Finding the Fourth Proportional to 14,965.53, 20,651.73 and 8,587.70

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Solution

The fourth proportional to 14,965.53, 20,651.73 and 8,587.70 is: 11,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.53 : 20,651.73 = 8,587.70 : x
  2. Step 2: Convert to fraction form
    14,965.53/20,651.73 = 8,587.70/x
  3. Step 3: Cross multiply
    14,965.53x = 20,651.73 × 8,587.70
  4. Step 4: Simplify right side
    14,965.53x = 177,350,818.08
  5. Step 5: Solve for x
    x = 177,350,818.08/14,965.53
  6. Step 6: Final answer
    x = 11,850.62

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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.