Home / 14,768.67-20,380.86-8,800.59

Finding the Fourth Proportional to 14,768.67, 20,380.86 and 8,800.59

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Solution

The fourth proportional to 14,768.67, 20,380.86 and 8,800.59 is: 12,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.67 : 20,380.86 = 8,800.59 : x
  2. Step 2: Convert to fraction form
    14,768.67/20,380.86 = 8,800.59/x
  3. Step 3: Cross multiply
    14,768.67x = 20,380.86 × 8,800.59
  4. Step 4: Simplify right side
    14,768.67x = 179,363,592.71
  5. Step 5: Solve for x
    x = 179,363,592.71/14,768.67
  6. Step 6: Final answer
    x = 12,144.87

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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.