Home / 17,211.08-23,759.16-13,230.80

Finding the Fourth Proportional to 17,211.08, 23,759.16 and 13,230.80

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Solution

The fourth proportional to 17,211.08, 23,759.16 and 13,230.80 is: 18,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.08 : 23,759.16 = 13,230.80 : x
  2. Step 2: Convert to fraction form
    17,211.08/23,759.16 = 13,230.80/x
  3. Step 3: Cross multiply
    17,211.08x = 23,759.16 × 13,230.80
  4. Step 4: Simplify right side
    17,211.08x = 314,352,694.13
  5. Step 5: Solve for x
    x = 314,352,694.13/17,211.08
  6. Step 6: Final answer
    x = 18,264.55

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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.