Home / 14,516.75-20,033.12-7,892.75

Finding the Fourth Proportional to 14,516.75, 20,033.12 and 7,892.75

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Solution

The fourth proportional to 14,516.75, 20,033.12 and 7,892.75 is: 10,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.75 : 20,033.12 = 7,892.75 : x
  2. Step 2: Convert to fraction form
    14,516.75/20,033.12 = 7,892.75/x
  3. Step 3: Cross multiply
    14,516.75x = 20,033.12 × 7,892.75
  4. Step 4: Simplify right side
    14,516.75x = 158,116,407.88
  5. Step 5: Solve for x
    x = 158,116,407.88/14,516.75
  6. Step 6: Final answer
    x = 10,892.00

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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.