Home / 14,195.76-21,293.57-7,955.79

Finding the Fourth Proportional to 14,195.76, 21,293.57 and 7,955.79

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Solution

The fourth proportional to 14,195.76, 21,293.57 and 7,955.79 is: 11,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.76 : 21,293.57 = 7,955.79 : x
  2. Step 2: Convert to fraction form
    14,195.76/21,293.57 = 7,955.79/x
  3. Step 3: Cross multiply
    14,195.76x = 21,293.57 × 7,955.79
  4. Step 4: Simplify right side
    14,195.76x = 169,407,131.49
  5. Step 5: Solve for x
    x = 169,407,131.49/14,195.76
  6. Step 6: Final answer
    x = 11,933.64

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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.