Home / 20,052.44-27,678.53-11,560.23

Finding the Fourth Proportional to 20,052.44, 27,678.53 and 11,560.23

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Solution

The fourth proportional to 20,052.44, 27,678.53 and 11,560.23 is: 15,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.44 : 27,678.53 = 11,560.23 : x
  2. Step 2: Convert to fraction form
    20,052.44/27,678.53 = 11,560.23/x
  3. Step 3: Cross multiply
    20,052.44x = 27,678.53 × 11,560.23
  4. Step 4: Simplify right side
    20,052.44x = 319,970,115.06
  5. Step 5: Solve for x
    x = 319,970,115.06/20,052.44
  6. Step 6: Final answer
    x = 15,956.67

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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.