Home / 14,077.75-19,427.30-7,791.07

Finding the Fourth Proportional to 14,077.75, 19,427.30 and 7,791.07

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Solution

The fourth proportional to 14,077.75, 19,427.30 and 7,791.07 is: 10,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.75 : 19,427.30 = 7,791.07 : x
  2. Step 2: Convert to fraction form
    14,077.75/19,427.30 = 7,791.07/x
  3. Step 3: Cross multiply
    14,077.75x = 19,427.30 × 7,791.07
  4. Step 4: Simplify right side
    14,077.75x = 151,359,454.21
  5. Step 5: Solve for x
    x = 151,359,454.21/14,077.75
  6. Step 6: Final answer
    x = 10,751.68

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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.