Home / 17,485.90-24,139.48-11,850.42

Finding the Fourth Proportional to 17,485.90, 24,139.48 and 11,850.42

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Solution

The fourth proportional to 17,485.90, 24,139.48 and 11,850.42 is: 16,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.90 : 24,139.48 = 11,850.42 : x
  2. Step 2: Convert to fraction form
    17,485.90/24,139.48 = 11,850.42/x
  3. Step 3: Cross multiply
    17,485.90x = 24,139.48 × 11,850.42
  4. Step 4: Simplify right side
    17,485.90x = 286,062,976.58
  5. Step 5: Solve for x
    x = 286,062,976.58/17,485.90
  6. Step 6: Final answer
    x = 16,359.64

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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.