Home / 17,126.78-25,693.83-7,270.70

Finding the Fourth Proportional to 17,126.78, 25,693.83 and 7,270.70

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Solution

The fourth proportional to 17,126.78, 25,693.83 and 7,270.70 is: 10,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.78 : 25,693.83 = 7,270.70 : x
  2. Step 2: Convert to fraction form
    17,126.78/25,693.83 = 7,270.70/x
  3. Step 3: Cross multiply
    17,126.78x = 25,693.83 × 7,270.70
  4. Step 4: Simplify right side
    17,126.78x = 186,812,001.31
  5. Step 5: Solve for x
    x = 186,812,001.31/17,126.78
  6. Step 6: Final answer
    x = 10,907.60

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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.