Home / 14,847.93-20,511.50-11,859.84

Finding the Fourth Proportional to 14,847.93, 20,511.50 and 11,859.84

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Solution

The fourth proportional to 14,847.93, 20,511.50 and 11,859.84 is: 16,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.93 : 20,511.50 = 11,859.84 : x
  2. Step 2: Convert to fraction form
    14,847.93/20,511.50 = 11,859.84/x
  3. Step 3: Cross multiply
    14,847.93x = 20,511.50 × 11,859.84
  4. Step 4: Simplify right side
    14,847.93x = 243,263,048.86
  5. Step 5: Solve for x
    x = 243,263,048.86/14,847.93
  6. Step 6: Final answer
    x = 16,383.63

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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.