Home / 16,660.36-24,990.56-4,981.80

Finding the Fourth Proportional to 16,660.36, 24,990.56 and 4,981.80

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Solution

The fourth proportional to 16,660.36, 24,990.56 and 4,981.80 is: 7,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.36 : 24,990.56 = 4,981.80 : x
  2. Step 2: Convert to fraction form
    16,660.36/24,990.56 = 4,981.80/x
  3. Step 3: Cross multiply
    16,660.36x = 24,990.56 × 4,981.80
  4. Step 4: Simplify right side
    16,660.36x = 124,497,971.81
  5. Step 5: Solve for x
    x = 124,497,971.81/16,660.36
  6. Step 6: Final answer
    x = 7,472.71

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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.