Home / 16,652.36-24,990.69-12,281.60

Finding the Fourth Proportional to 16,652.36, 24,990.69 and 12,281.60

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Solution

The fourth proportional to 16,652.36, 24,990.69 and 12,281.60 is: 18,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.36 : 24,990.69 = 12,281.60 : x
  2. Step 2: Convert to fraction form
    16,652.36/24,990.69 = 12,281.60/x
  3. Step 3: Cross multiply
    16,652.36x = 24,990.69 × 12,281.60
  4. Step 4: Simplify right side
    16,652.36x = 306,925,658.30
  5. Step 5: Solve for x
    x = 306,925,658.30/16,652.36
  6. Step 6: Final answer
    x = 18,431.36

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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.