Home / 13,029.48-17,979.60-7,364.73

Finding the Fourth Proportional to 13,029.48, 17,979.60 and 7,364.73

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Solution

The fourth proportional to 13,029.48, 17,979.60 and 7,364.73 is: 10,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.48 : 17,979.60 = 7,364.73 : x
  2. Step 2: Convert to fraction form
    13,029.48/17,979.60 = 7,364.73/x
  3. Step 3: Cross multiply
    13,029.48x = 17,979.60 × 7,364.73
  4. Step 4: Simplify right side
    13,029.48x = 132,414,899.51
  5. Step 5: Solve for x
    x = 132,414,899.51/13,029.48
  6. Step 6: Final answer
    x = 10,162.72

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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.