Home / 17,400.90-26,231.75-16,242.26

Finding the Fourth Proportional to 17,400.90, 26,231.75 and 16,242.26

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Solution

The fourth proportional to 17,400.90, 26,231.75 and 16,242.26 is: 24,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.90 : 26,231.75 = 16,242.26 : x
  2. Step 2: Convert to fraction form
    17,400.90/26,231.75 = 16,242.26/x
  3. Step 3: Cross multiply
    17,400.90x = 26,231.75 × 16,242.26
  4. Step 4: Simplify right side
    17,400.90x = 426,062,691.38
  5. Step 5: Solve for x
    x = 426,062,691.38/17,400.90
  6. Step 6: Final answer
    x = 24,485.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.