Home / 17,390.58-26,084.85-10,728.36

Finding the Fourth Proportional to 17,390.58, 26,084.85 and 10,728.36

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Solution

The fourth proportional to 17,390.58, 26,084.85 and 10,728.36 is: 16,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.58 : 26,084.85 = 10,728.36 : x
  2. Step 2: Convert to fraction form
    17,390.58/26,084.85 = 10,728.36/x
  3. Step 3: Cross multiply
    17,390.58x = 26,084.85 × 10,728.36
  4. Step 4: Simplify right side
    17,390.58x = 279,847,661.35
  5. Step 5: Solve for x
    x = 279,847,661.35/17,390.58
  6. Step 6: Final answer
    x = 16,091.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.