Home / 13,800.62-19,034.58-8,760.46

Finding the Fourth Proportional to 13,800.62, 19,034.58 and 8,760.46

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Solution

The fourth proportional to 13,800.62, 19,034.58 and 8,760.46 is: 12,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.62 : 19,034.58 = 8,760.46 : x
  2. Step 2: Convert to fraction form
    13,800.62/19,034.58 = 8,760.46/x
  3. Step 3: Cross multiply
    13,800.62x = 19,034.58 × 8,760.46
  4. Step 4: Simplify right side
    13,800.62x = 166,751,676.71
  5. Step 5: Solve for x
    x = 166,751,676.71/13,800.62
  6. Step 6: Final answer
    x = 12,082.91

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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.