Home / 20,013.27-27,618.33-12,055.62

Finding the Fourth Proportional to 20,013.27, 27,618.33 and 12,055.62

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Solution

The fourth proportional to 20,013.27, 27,618.33 and 12,055.62 is: 16,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.27 : 27,618.33 = 12,055.62 : x
  2. Step 2: Convert to fraction form
    20,013.27/27,618.33 = 12,055.62/x
  3. Step 3: Cross multiply
    20,013.27x = 27,618.33 × 12,055.62
  4. Step 4: Simplify right side
    20,013.27x = 332,956,091.51
  5. Step 5: Solve for x
    x = 332,956,091.51/20,013.27
  6. Step 6: Final answer
    x = 16,636.77

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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.