Home / 17,205.12-23,751.84-12,173.28

Finding the Fourth Proportional to 17,205.12, 23,751.84 and 12,173.28

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Solution

The fourth proportional to 17,205.12, 23,751.84 and 12,173.28 is: 16,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.12 : 23,751.84 = 12,173.28 : x
  2. Step 2: Convert to fraction form
    17,205.12/23,751.84 = 12,173.28/x
  3. Step 3: Cross multiply
    17,205.12x = 23,751.84 × 12,173.28
  4. Step 4: Simplify right side
    17,205.12x = 289,137,798.84
  5. Step 5: Solve for x
    x = 289,137,798.84/17,205.12
  6. Step 6: Final answer
    x = 16,805.33

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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.