Home / 14,828.75-20,463.69-8,541.14

Finding the Fourth Proportional to 14,828.75, 20,463.69 and 8,541.14

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Solution

The fourth proportional to 14,828.75, 20,463.69 and 8,541.14 is: 11,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.75 : 20,463.69 = 8,541.14 : x
  2. Step 2: Convert to fraction form
    14,828.75/20,463.69 = 8,541.14/x
  3. Step 3: Cross multiply
    14,828.75x = 20,463.69 × 8,541.14
  4. Step 4: Simplify right side
    14,828.75x = 174,783,241.21
  5. Step 5: Solve for x
    x = 174,783,241.21/14,828.75
  6. Step 6: Final answer
    x = 11,786.78

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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.