Home / 16,703.40-23,039.60-10,742.61

Finding the Fourth Proportional to 16,703.40, 23,039.60 and 10,742.61

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Solution

The fourth proportional to 16,703.40, 23,039.60 and 10,742.61 is: 14,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,703.40 : 23,039.60 = 10,742.61 : x
  2. Step 2: Convert to fraction form
    16,703.40/23,039.60 = 10,742.61/x
  3. Step 3: Cross multiply
    16,703.40x = 23,039.60 × 10,742.61
  4. Step 4: Simplify right side
    16,703.40x = 247,505,383.64
  5. Step 5: Solve for x
    x = 247,505,383.64/16,703.40
  6. Step 6: Final answer
    x = 14,817.66

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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.