Home / 17,678.26-24,396.24-9,720.46

Finding the Fourth Proportional to 17,678.26, 24,396.24 and 9,720.46

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Solution

The fourth proportional to 17,678.26, 24,396.24 and 9,720.46 is: 13,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.26 : 24,396.24 = 9,720.46 : x
  2. Step 2: Convert to fraction form
    17,678.26/24,396.24 = 9,720.46/x
  3. Step 3: Cross multiply
    17,678.26x = 24,396.24 × 9,720.46
  4. Step 4: Simplify right side
    17,678.26x = 237,142,675.07
  5. Step 5: Solve for x
    x = 237,142,675.07/17,678.26
  6. Step 6: Final answer
    x = 13,414.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.