Home / 26,980.40-40,460.87-11,399.24

Finding the Fourth Proportional to 26,980.40, 40,460.87 and 11,399.24

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Solution

The fourth proportional to 26,980.40, 40,460.87 and 11,399.24 is: 17,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.40 : 40,460.87 = 11,399.24 : x
  2. Step 2: Convert to fraction form
    26,980.40/40,460.87 = 11,399.24/x
  3. Step 3: Cross multiply
    26,980.40x = 40,460.87 × 11,399.24
  4. Step 4: Simplify right side
    26,980.40x = 461,222,993.93
  5. Step 5: Solve for x
    x = 461,222,993.93/26,980.40
  6. Step 6: Final answer
    x = 17,094.75

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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.