Home / 14,167.26-19,551.38-7,879.50

Finding the Fourth Proportional to 14,167.26, 19,551.38 and 7,879.50

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Solution

The fourth proportional to 14,167.26, 19,551.38 and 7,879.50 is: 10,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.26 : 19,551.38 = 7,879.50 : x
  2. Step 2: Convert to fraction form
    14,167.26/19,551.38 = 7,879.50/x
  3. Step 3: Cross multiply
    14,167.26x = 19,551.38 × 7,879.50
  4. Step 4: Simplify right side
    14,167.26x = 154,055,059.31
  5. Step 5: Solve for x
    x = 154,055,059.31/14,167.26
  6. Step 6: Final answer
    x = 10,874.02

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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.