Home / 19,337.78-29,017.60-8,243.30

Finding the Fourth Proportional to 19,337.78, 29,017.60 and 8,243.30

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Solution

The fourth proportional to 19,337.78, 29,017.60 and 8,243.30 is: 12,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.78 : 29,017.60 = 8,243.30 : x
  2. Step 2: Convert to fraction form
    19,337.78/29,017.60 = 8,243.30/x
  3. Step 3: Cross multiply
    19,337.78x = 29,017.60 × 8,243.30
  4. Step 4: Simplify right side
    19,337.78x = 239,200,782.08
  5. Step 5: Solve for x
    x = 239,200,782.08/19,337.78
  6. Step 6: Final answer
    x = 12,369.61

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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.