Home / 16,702.73-25,056.15-5,457.80

Finding the Fourth Proportional to 16,702.73, 25,056.15 and 5,457.80

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Solution

The fourth proportional to 16,702.73, 25,056.15 and 5,457.80 is: 8,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.73 : 25,056.15 = 5,457.80 : x
  2. Step 2: Convert to fraction form
    16,702.73/25,056.15 = 5,457.80/x
  3. Step 3: Cross multiply
    16,702.73x = 25,056.15 × 5,457.80
  4. Step 4: Simplify right side
    16,702.73x = 136,751,538.58
  5. Step 5: Solve for x
    x = 136,751,538.58/16,702.73
  6. Step 6: Final answer
    x = 8,187.38

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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.