Home / 16,638.36-24,987.29-15,969.45

Finding the Fourth Proportional to 16,638.36, 24,987.29 and 15,969.45

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Solution

The fourth proportional to 16,638.36, 24,987.29 and 15,969.45 is: 23,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.36 : 24,987.29 = 15,969.45 : x
  2. Step 2: Convert to fraction form
    16,638.36/24,987.29 = 15,969.45/x
  3. Step 3: Cross multiply
    16,638.36x = 24,987.29 × 15,969.45
  4. Step 4: Simplify right side
    16,638.36x = 399,033,198.44
  5. Step 5: Solve for x
    x = 399,033,198.44/16,638.36
  6. Step 6: Final answer
    x = 23,982.72

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1.5x scale

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.