Home / 14,656.77-21,976.29-5,761.45

Finding the Fourth Proportional to 14,656.77, 21,976.29 and 5,761.45

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Solution

The fourth proportional to 14,656.77, 21,976.29 and 5,761.45 is: 8,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.77 : 21,976.29 = 5,761.45 : x
  2. Step 2: Convert to fraction form
    14,656.77/21,976.29 = 5,761.45/x
  3. Step 3: Cross multiply
    14,656.77x = 21,976.29 × 5,761.45
  4. Step 4: Simplify right side
    14,656.77x = 126,615,157.33
  5. Step 5: Solve for x
    x = 126,615,157.33/14,656.77
  6. Step 6: Final answer
    x = 8,638.68

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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.