Home / 13,026.44-17,976.38-7,723.77

Finding the Fourth Proportional to 13,026.44, 17,976.38 and 7,723.77

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Solution

The fourth proportional to 13,026.44, 17,976.38 and 7,723.77 is: 10,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.44 : 17,976.38 = 7,723.77 : x
  2. Step 2: Convert to fraction form
    13,026.44/17,976.38 = 7,723.77/x
  3. Step 3: Cross multiply
    13,026.44x = 17,976.38 × 7,723.77
  4. Step 4: Simplify right side
    13,026.44x = 138,845,385.93
  5. Step 5: Solve for x
    x = 138,845,385.93/13,026.44
  6. Step 6: Final answer
    x = 10,658.74

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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.