Home / 13,955.46-19,257.84-7,668.06

Finding the Fourth Proportional to 13,955.46, 19,257.84 and 7,668.06

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Solution

The fourth proportional to 13,955.46, 19,257.84 and 7,668.06 is: 10,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.46 : 19,257.84 = 7,668.06 : x
  2. Step 2: Convert to fraction form
    13,955.46/19,257.84 = 7,668.06/x
  3. Step 3: Cross multiply
    13,955.46x = 19,257.84 × 7,668.06
  4. Step 4: Simplify right side
    13,955.46x = 147,670,272.59
  5. Step 5: Solve for x
    x = 147,670,272.59/13,955.46
  6. Step 6: Final answer
    x = 10,581.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.