Home / 26,399.91-39,590.21-7,674.87

Finding the Fourth Proportional to 26,399.91, 39,590.21 and 7,674.87

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Solution

The fourth proportional to 26,399.91, 39,590.21 and 7,674.87 is: 11,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.91 : 39,590.21 = 7,674.87 : x
  2. Step 2: Convert to fraction form
    26,399.91/39,590.21 = 7,674.87/x
  3. Step 3: Cross multiply
    26,399.91x = 39,590.21 × 7,674.87
  4. Step 4: Simplify right side
    26,399.91x = 303,849,676.65
  5. Step 5: Solve for x
    x = 303,849,676.65/26,399.91
  6. Step 6: Final answer
    x = 11,509.50

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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.