Home / 26,590.11-39,890.84-13,270.27

Finding the Fourth Proportional to 26,590.11, 39,890.84 and 13,270.27

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Solution

The fourth proportional to 26,590.11, 39,890.84 and 13,270.27 is: 19,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.11 : 39,890.84 = 13,270.27 : x
  2. Step 2: Convert to fraction form
    26,590.11/39,890.84 = 13,270.27/x
  3. Step 3: Cross multiply
    26,590.11x = 39,890.84 × 13,270.27
  4. Step 4: Simplify right side
    26,590.11x = 529,362,217.33
  5. Step 5: Solve for x
    x = 529,362,217.33/26,590.11
  6. Step 6: Final answer
    x = 19,908.24

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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.