Home / 19,628.89-27,087.64-10,676.20

Finding the Fourth Proportional to 19,628.89, 27,087.64 and 10,676.20

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Solution

The fourth proportional to 19,628.89, 27,087.64 and 10,676.20 is: 14,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.89 : 27,087.64 = 10,676.20 : x
  2. Step 2: Convert to fraction form
    19,628.89/27,087.64 = 10,676.20/x
  3. Step 3: Cross multiply
    19,628.89x = 27,087.64 × 10,676.20
  4. Step 4: Simplify right side
    19,628.89x = 289,192,967.76
  5. Step 5: Solve for x
    x = 289,192,967.76/19,628.89
  6. Step 6: Final answer
    x = 14,733.03

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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.