Home / 17,415.90-26,123.62-4,268.38

Finding the Fourth Proportional to 17,415.90, 26,123.62 and 4,268.38

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Solution

The fourth proportional to 17,415.90, 26,123.62 and 4,268.38 is: 6,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.90 : 26,123.62 = 4,268.38 : x
  2. Step 2: Convert to fraction form
    17,415.90/26,123.62 = 4,268.38/x
  3. Step 3: Cross multiply
    17,415.90x = 26,123.62 × 4,268.38
  4. Step 4: Simplify right side
    17,415.90x = 111,505,537.14
  5. Step 5: Solve for x
    x = 111,505,537.14/17,415.90
  6. Step 6: Final answer
    x = 6,402.51

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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.