Home / 14,505.46-20,018.82-8,539.00

Finding the Fourth Proportional to 14,505.46, 20,018.82 and 8,539.00

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Solution

The fourth proportional to 14,505.46, 20,018.82 and 8,539.00 is: 11,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.46 : 20,018.82 = 8,539.00 : x
  2. Step 2: Convert to fraction form
    14,505.46/20,018.82 = 8,539.00/x
  3. Step 3: Cross multiply
    14,505.46x = 20,018.82 × 8,539.00
  4. Step 4: Simplify right side
    14,505.46x = 170,940,732.68
  5. Step 5: Solve for x
    x = 170,940,732.68/14,505.46
  6. Step 6: Final answer
    x = 11,784.58

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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.