Home / 16,876.43-23,284.80-9,705.96

Finding the Fourth Proportional to 16,876.43, 23,284.80 and 9,705.96

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Solution

The fourth proportional to 16,876.43, 23,284.80 and 9,705.96 is: 13,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.43 : 23,284.80 = 9,705.96 : x
  2. Step 2: Convert to fraction form
    16,876.43/23,284.80 = 9,705.96/x
  3. Step 3: Cross multiply
    16,876.43x = 23,284.80 × 9,705.96
  4. Step 4: Simplify right side
    16,876.43x = 226,001,172.45
  5. Step 5: Solve for x
    x = 226,001,172.45/16,876.43
  6. Step 6: Final answer
    x = 13,391.53

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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.