Home / 14,770.70-20,383.61-8,056.44

Finding the Fourth Proportional to 14,770.70, 20,383.61 and 8,056.44

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Solution

The fourth proportional to 14,770.70, 20,383.61 and 8,056.44 is: 11,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.70 : 20,383.61 = 8,056.44 : x
  2. Step 2: Convert to fraction form
    14,770.70/20,383.61 = 8,056.44/x
  3. Step 3: Cross multiply
    14,770.70x = 20,383.61 × 8,056.44
  4. Step 4: Simplify right side
    14,770.70x = 164,219,290.67
  5. Step 5: Solve for x
    x = 164,219,290.67/14,770.70
  6. Step 6: Final answer
    x = 11,117.91

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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.