Home / 19,433.98-26,786.61-13,761.46

Finding the Fourth Proportional to 19,433.98, 26,786.61 and 13,761.46

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Solution

The fourth proportional to 19,433.98, 26,786.61 and 13,761.46 is: 18,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.98 : 26,786.61 = 13,761.46 : x
  2. Step 2: Convert to fraction form
    19,433.98/26,786.61 = 13,761.46/x
  3. Step 3: Cross multiply
    19,433.98x = 26,786.61 × 13,761.46
  4. Step 4: Simplify right side
    19,433.98x = 368,622,862.05
  5. Step 5: Solve for x
    x = 368,622,862.05/19,433.98
  6. Step 6: Final answer
    x = 18,967.96

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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.