Home / 16,676.40-25,017.84-4,989.36

Finding the Fourth Proportional to 16,676.40, 25,017.84 and 4,989.36

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Solution

The fourth proportional to 16,676.40, 25,017.84 and 4,989.36 is: 7,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.40 : 25,017.84 = 4,989.36 : x
  2. Step 2: Convert to fraction form
    16,676.40/25,017.84 = 4,989.36/x
  3. Step 3: Cross multiply
    16,676.40x = 25,017.84 × 4,989.36
  4. Step 4: Simplify right side
    16,676.40x = 124,823,010.18
  5. Step 5: Solve for x
    x = 124,823,010.18/16,676.40
  6. Step 6: Final answer
    x = 7,485.01

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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.