Home / 38,855.90-58,283.85-10,783.03

Finding the Fourth Proportional to 38,855.90, 58,283.85 and 10,783.03

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Solution

The fourth proportional to 38,855.90, 58,283.85 and 10,783.03 is: 16,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.90 : 58,283.85 = 10,783.03 : x
  2. Step 2: Convert to fraction form
    38,855.90/58,283.85 = 10,783.03/x
  3. Step 3: Cross multiply
    38,855.90x = 58,283.85 × 10,783.03
  4. Step 4: Simplify right side
    38,855.90x = 628,476,211.65
  5. Step 5: Solve for x
    x = 628,476,211.65/38,855.90
  6. Step 6: Final answer
    x = 16,174.54

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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.