Home / 26,189.65-39,269.58-17,879.68

Finding the Fourth Proportional to 26,189.65, 39,269.58 and 17,879.68

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Solution

The fourth proportional to 26,189.65, 39,269.58 and 17,879.68 is: 26,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.65 : 39,269.58 = 17,879.68 : x
  2. Step 2: Convert to fraction form
    26,189.65/39,269.58 = 17,879.68/x
  3. Step 3: Cross multiply
    26,189.65x = 39,269.58 × 17,879.68
  4. Step 4: Simplify right side
    26,189.65x = 702,127,524.13
  5. Step 5: Solve for x
    x = 702,127,524.13/26,189.65
  6. Step 6: Final answer
    x = 26,809.35

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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.