Home / 17,851.54-26,768.56-7,318.70

Finding the Fourth Proportional to 17,851.54, 26,768.56 and 7,318.70

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Solution

The fourth proportional to 17,851.54, 26,768.56 and 7,318.70 is: 10,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.54 : 26,768.56 = 7,318.70 : x
  2. Step 2: Convert to fraction form
    17,851.54/26,768.56 = 7,318.70/x
  3. Step 3: Cross multiply
    17,851.54x = 26,768.56 × 7,318.70
  4. Step 4: Simplify right side
    17,851.54x = 195,911,060.07
  5. Step 5: Solve for x
    x = 195,911,060.07/17,851.54
  6. Step 6: Final answer
    x = 10,974.46

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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.