Home / 16,661.36-24,988.35-4,812.56

Finding the Fourth Proportional to 16,661.36, 24,988.35 and 4,812.56

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Solution

The fourth proportional to 16,661.36, 24,988.35 and 4,812.56 is: 7,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.36 : 24,988.35 = 4,812.56 : x
  2. Step 2: Convert to fraction form
    16,661.36/24,988.35 = 4,812.56/x
  3. Step 3: Cross multiply
    16,661.36x = 24,988.35 × 4,812.56
  4. Step 4: Simplify right side
    16,661.36x = 120,257,808.73
  5. Step 5: Solve for x
    x = 120,257,808.73/16,661.36
  6. Step 6: Final answer
    x = 7,217.77

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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.