Home / 14,807.67-20,433.99-8,761.83

Finding the Fourth Proportional to 14,807.67, 20,433.99 and 8,761.83

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Solution

The fourth proportional to 14,807.67, 20,433.99 and 8,761.83 is: 12,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.67 : 20,433.99 = 8,761.83 : x
  2. Step 2: Convert to fraction form
    14,807.67/20,433.99 = 8,761.83/x
  3. Step 3: Cross multiply
    14,807.67x = 20,433.99 × 8,761.83
  4. Step 4: Simplify right side
    14,807.67x = 179,039,146.60
  5. Step 5: Solve for x
    x = 179,039,146.60/14,807.67
  6. Step 6: Final answer
    x = 12,090.97

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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.