Home / 17,126.78-25,690.70-4,646.75

Finding the Fourth Proportional to 17,126.78, 25,690.70 and 4,646.75

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Solution

The fourth proportional to 17,126.78, 25,690.70 and 4,646.75 is: 6,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.78 : 25,690.70 = 4,646.75 : x
  2. Step 2: Convert to fraction form
    17,126.78/25,690.70 = 4,646.75/x
  3. Step 3: Cross multiply
    17,126.78x = 25,690.70 × 4,646.75
  4. Step 4: Simplify right side
    17,126.78x = 119,378,108.54
  5. Step 5: Solve for x
    x = 119,378,108.54/17,126.78
  6. Step 6: Final answer
    x = 6,970.26

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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.