Home / 16,876.16-23,289.60-9,424

Finding the Fourth Proportional to 16,876.16, 23,289.60 and 9,424

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Solution

The fourth proportional to 16,876.16, 23,289.60 and 9,424 is: 13,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.16 : 23,289.60 = 9,424 : x
  2. Step 2: Convert to fraction form
    16,876.16/23,289.60 = 9,424/x
  3. Step 3: Cross multiply
    16,876.16x = 23,289.60 × 9,424
  4. Step 4: Simplify right side
    16,876.16x = 219,481,190.40
  5. Step 5: Solve for x
    x = 219,481,190.40/16,876.16
  6. Step 6: Final answer
    x = 13,005.40

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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.