Home / 17,305.74-23,891.10-13,865.31

Finding the Fourth Proportional to 17,305.74, 23,891.10 and 13,865.31

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Solution

The fourth proportional to 17,305.74, 23,891.10 and 13,865.31 is: 19,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.74 : 23,891.10 = 13,865.31 : x
  2. Step 2: Convert to fraction form
    17,305.74/23,891.10 = 13,865.31/x
  3. Step 3: Cross multiply
    17,305.74x = 23,891.10 × 13,865.31
  4. Step 4: Simplify right side
    17,305.74x = 331,257,438.41
  5. Step 5: Solve for x
    x = 331,257,438.41/17,305.74
  6. Step 6: Final answer
    x = 19,141.48

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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.