Home / 18,453.74-27,680.46-5,306.06

Finding the Fourth Proportional to 18,453.74, 27,680.46 and 5,306.06

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Solution

The fourth proportional to 18,453.74, 27,680.46 and 5,306.06 is: 7,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.74 : 27,680.46 = 5,306.06 : x
  2. Step 2: Convert to fraction form
    18,453.74/27,680.46 = 5,306.06/x
  3. Step 3: Cross multiply
    18,453.74x = 27,680.46 × 5,306.06
  4. Step 4: Simplify right side
    18,453.74x = 146,874,181.59
  5. Step 5: Solve for x
    x = 146,874,181.59/18,453.74
  6. Step 6: Final answer
    x = 7,959.05

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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.