Home / 16,704.74-23,048.73-9,989.30

Finding the Fourth Proportional to 16,704.74, 23,048.73 and 9,989.30

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Solution

The fourth proportional to 16,704.74, 23,048.73 and 9,989.30 is: 13,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.74 : 23,048.73 = 9,989.30 : x
  2. Step 2: Convert to fraction form
    16,704.74/23,048.73 = 9,989.30/x
  3. Step 3: Cross multiply
    16,704.74x = 23,048.73 × 9,989.30
  4. Step 4: Simplify right side
    16,704.74x = 230,240,678.59
  5. Step 5: Solve for x
    x = 230,240,678.59/16,704.74
  6. Step 6: Final answer
    x = 13,782.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.