Home / 14,218.26-19,620.96-7,845.48

Finding the Fourth Proportional to 14,218.26, 19,620.96 and 7,845.48

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Solution

The fourth proportional to 14,218.26, 19,620.96 and 7,845.48 is: 10,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.26 : 19,620.96 = 7,845.48 : x
  2. Step 2: Convert to fraction form
    14,218.26/19,620.96 = 7,845.48/x
  3. Step 3: Cross multiply
    14,218.26x = 19,620.96 × 7,845.48
  4. Step 4: Simplify right side
    14,218.26x = 153,935,849.26
  5. Step 5: Solve for x
    x = 153,935,849.26/14,218.26
  6. Step 6: Final answer
    x = 10,826.63

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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.