Home / 20,020.91-27,615.47-12,054.83

Finding the Fourth Proportional to 20,020.91, 27,615.47 and 12,054.83

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Solution

The fourth proportional to 20,020.91, 27,615.47 and 12,054.83 is: 16,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.91 : 27,615.47 = 12,054.83 : x
  2. Step 2: Convert to fraction form
    20,020.91/27,615.47 = 12,054.83/x
  3. Step 3: Cross multiply
    20,020.91x = 27,615.47 × 12,054.83
  4. Step 4: Simplify right side
    20,020.91x = 332,899,597.87
  5. Step 5: Solve for x
    x = 332,899,597.87/20,020.91
  6. Step 6: Final answer
    x = 16,627.60

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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.