Home / 17,065.80-23,540.12-11,751.40

Finding the Fourth Proportional to 17,065.80, 23,540.12 and 11,751.40

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Solution

The fourth proportional to 17,065.80, 23,540.12 and 11,751.40 is: 16,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,065.80 : 23,540.12 = 11,751.40 : x
  2. Step 2: Convert to fraction form
    17,065.80/23,540.12 = 11,751.40/x
  3. Step 3: Cross multiply
    17,065.80x = 23,540.12 × 11,751.40
  4. Step 4: Simplify right side
    17,065.80x = 276,629,366.17
  5. Step 5: Solve for x
    x = 276,629,366.17/17,065.80
  6. Step 6: Final answer
    x = 16,209.58

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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.