Home / 21,786.26-32,637.74-14,731.70

Finding the Fourth Proportional to 21,786.26, 32,637.74 and 14,731.70

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Solution

The fourth proportional to 21,786.26, 32,637.74 and 14,731.70 is: 22,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.26 : 32,637.74 = 14,731.70 : x
  2. Step 2: Convert to fraction form
    21,786.26/32,637.74 = 14,731.70/x
  3. Step 3: Cross multiply
    21,786.26x = 32,637.74 × 14,731.70
  4. Step 4: Simplify right side
    21,786.26x = 480,809,157.51
  5. Step 5: Solve for x
    x = 480,809,157.51/21,786.26
  6. Step 6: Final answer
    x = 22,069.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.