Home / 14,807.32-20,433.20-8,091.61

Finding the Fourth Proportional to 14,807.32, 20,433.20 and 8,091.61

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Solution

The fourth proportional to 14,807.32, 20,433.20 and 8,091.61 is: 11,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.32 : 20,433.20 = 8,091.61 : x
  2. Step 2: Convert to fraction form
    14,807.32/20,433.20 = 8,091.61/x
  3. Step 3: Cross multiply
    14,807.32x = 20,433.20 × 8,091.61
  4. Step 4: Simplify right side
    14,807.32x = 165,337,393.91
  5. Step 5: Solve for x
    x = 165,337,393.91/14,807.32
  6. Step 6: Final answer
    x = 11,165.92

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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.