Home / 19,676.36-27,153.78-10,724.24

Finding the Fourth Proportional to 19,676.36, 27,153.78 and 10,724.24

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Solution

The fourth proportional to 19,676.36, 27,153.78 and 10,724.24 is: 14,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.36 : 27,153.78 = 10,724.24 : x
  2. Step 2: Convert to fraction form
    19,676.36/27,153.78 = 10,724.24/x
  3. Step 3: Cross multiply
    19,676.36x = 27,153.78 × 10,724.24
  4. Step 4: Simplify right side
    19,676.36x = 291,203,653.63
  5. Step 5: Solve for x
    x = 291,203,653.63/19,676.36
  6. Step 6: Final answer
    x = 14,799.67

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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.