Home / 26,123.34-39,181.19-8,355.99

Finding the Fourth Proportional to 26,123.34, 39,181.19 and 8,355.99

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Solution

The fourth proportional to 26,123.34, 39,181.19 and 8,355.99 is: 12,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.34 : 39,181.19 = 8,355.99 : x
  2. Step 2: Convert to fraction form
    26,123.34/39,181.19 = 8,355.99/x
  3. Step 3: Cross multiply
    26,123.34x = 39,181.19 × 8,355.99
  4. Step 4: Simplify right side
    26,123.34x = 327,397,590.05
  5. Step 5: Solve for x
    x = 327,397,590.05/26,123.34
  6. Step 6: Final answer
    x = 12,532.76

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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.