Home / 17,076.30-25,546.88-12,928.28

Finding the Fourth Proportional to 17,076.30, 25,546.88 and 12,928.28

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Solution

The fourth proportional to 17,076.30, 25,546.88 and 12,928.28 is: 19,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.30 : 25,546.88 = 12,928.28 : x
  2. Step 2: Convert to fraction form
    17,076.30/25,546.88 = 12,928.28/x
  3. Step 3: Cross multiply
    17,076.30x = 25,546.88 × 12,928.28
  4. Step 4: Simplify right side
    17,076.30x = 330,277,217.77
  5. Step 5: Solve for x
    x = 330,277,217.77/17,076.30
  6. Step 6: Final answer
    x = 19,341.26

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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.