Home / 13,565.00-18,731.63-8,537.63

Finding the Fourth Proportional to 13,565.00, 18,731.63 and 8,537.63

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Solution

The fourth proportional to 13,565.00, 18,731.63 and 8,537.63 is: 11,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.00 : 18,731.63 = 8,537.63 : x
  2. Step 2: Convert to fraction form
    13,565.00/18,731.63 = 8,537.63/x
  3. Step 3: Cross multiply
    13,565.00x = 18,731.63 × 8,537.63
  4. Step 4: Simplify right side
    13,565.00x = 159,923,653.92
  5. Step 5: Solve for x
    x = 159,923,653.92/13,565.00
  6. Step 6: Final answer
    x = 11,789.43

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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.