Home / 18,815.59-25,953.62-12,089.66

Finding the Fourth Proportional to 18,815.59, 25,953.62 and 12,089.66

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Solution

The fourth proportional to 18,815.59, 25,953.62 and 12,089.66 is: 16,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.59 : 25,953.62 = 12,089.66 : x
  2. Step 2: Convert to fraction form
    18,815.59/25,953.62 = 12,089.66/x
  3. Step 3: Cross multiply
    18,815.59x = 25,953.62 × 12,089.66
  4. Step 4: Simplify right side
    18,815.59x = 313,770,251.35
  5. Step 5: Solve for x
    x = 313,770,251.35/18,815.59
  6. Step 6: Final answer
    x = 16,676.08

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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.