Home / 20,050.71-27,676.14-11,558.51

Finding the Fourth Proportional to 20,050.71, 27,676.14 and 11,558.51

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Solution

The fourth proportional to 20,050.71, 27,676.14 and 11,558.51 is: 15,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.71 : 27,676.14 = 11,558.51 : x
  2. Step 2: Convert to fraction form
    20,050.71/27,676.14 = 11,558.51/x
  3. Step 3: Cross multiply
    20,050.71x = 27,676.14 × 11,558.51
  4. Step 4: Simplify right side
    20,050.71x = 319,895,010.14
  5. Step 5: Solve for x
    x = 319,895,010.14/20,050.71
  6. Step 6: Final answer
    x = 15,954.30

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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.