Home / 13,836.29-20,760.52-7,260.93

Finding the Fourth Proportional to 13,836.29, 20,760.52 and 7,260.93

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Solution

The fourth proportional to 13,836.29, 20,760.52 and 7,260.93 is: 10,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.29 : 20,760.52 = 7,260.93 : x
  2. Step 2: Convert to fraction form
    13,836.29/20,760.52 = 7,260.93/x
  3. Step 3: Cross multiply
    13,836.29x = 20,760.52 × 7,260.93
  4. Step 4: Simplify right side
    13,836.29x = 150,740,682.48
  5. Step 5: Solve for x
    x = 150,740,682.48/13,836.29
  6. Step 6: Final answer
    x = 10,894.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.