Home / 17,118.52-25,679.43-4,638.70

Finding the Fourth Proportional to 17,118.52, 25,679.43 and 4,638.70

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Solution

The fourth proportional to 17,118.52, 25,679.43 and 4,638.70 is: 6,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.52 : 25,679.43 = 4,638.70 : x
  2. Step 2: Convert to fraction form
    17,118.52/25,679.43 = 4,638.70/x
  3. Step 3: Cross multiply
    17,118.52x = 25,679.43 × 4,638.70
  4. Step 4: Simplify right side
    17,118.52x = 119,119,171.94
  5. Step 5: Solve for x
    x = 119,119,171.94/17,118.52
  6. Step 6: Final answer
    x = 6,958.50

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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.