Home / 19,622.56-27,063.12-15,844.64

Finding the Fourth Proportional to 19,622.56, 27,063.12 and 15,844.64

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Solution

The fourth proportional to 19,622.56, 27,063.12 and 15,844.64 is: 21,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.56 : 27,063.12 = 15,844.64 : x
  2. Step 2: Convert to fraction form
    19,622.56/27,063.12 = 15,844.64/x
  3. Step 3: Cross multiply
    19,622.56x = 27,063.12 × 15,844.64
  4. Step 4: Simplify right side
    19,622.56x = 428,805,393.68
  5. Step 5: Solve for x
    x = 428,805,393.68/19,622.56
  6. Step 6: Final answer
    x = 21,852.67

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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.