Home / 16,704.24-23,048.04-9,988.80

Finding the Fourth Proportional to 16,704.24, 23,048.04 and 9,988.80

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Solution

The fourth proportional to 16,704.24, 23,048.04 and 9,988.80 is: 13,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.24 : 23,048.04 = 9,988.80 : x
  2. Step 2: Convert to fraction form
    16,704.24/23,048.04 = 9,988.80/x
  3. Step 3: Cross multiply
    16,704.24x = 23,048.04 × 9,988.80
  4. Step 4: Simplify right side
    16,704.24x = 230,222,261.95
  5. Step 5: Solve for x
    x = 230,222,261.95/16,704.24
  6. Step 6: Final answer
    x = 13,782.26

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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.