Home / 19,118.04-28,676.46-5,266.92

Finding the Fourth Proportional to 19,118.04, 28,676.46 and 5,266.92

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Solution

The fourth proportional to 19,118.04, 28,676.46 and 5,266.92 is: 7,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.04 : 28,676.46 = 5,266.92 : x
  2. Step 2: Convert to fraction form
    19,118.04/28,676.46 = 5,266.92/x
  3. Step 3: Cross multiply
    19,118.04x = 28,676.46 × 5,266.92
  4. Step 4: Simplify right side
    19,118.04x = 151,036,620.70
  5. Step 5: Solve for x
    x = 151,036,620.70/19,118.04
  6. Step 6: Final answer
    x = 7,900.21

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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.