Home / 19,786.07-29,676.60-5,555.84

Finding the Fourth Proportional to 19,786.07, 29,676.60 and 5,555.84

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Solution

The fourth proportional to 19,786.07, 29,676.60 and 5,555.84 is: 8,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.07 : 29,676.60 = 5,555.84 : x
  2. Step 2: Convert to fraction form
    19,786.07/29,676.60 = 5,555.84/x
  3. Step 3: Cross multiply
    19,786.07x = 29,676.60 × 5,555.84
  4. Step 4: Simplify right side
    19,786.07x = 164,878,475.52
  5. Step 5: Solve for x
    x = 164,878,475.52/19,786.07
  6. Step 6: Final answer
    x = 8,333.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.