Home / 16,704.33-23,048.46-9,988.89

Finding the Fourth Proportional to 16,704.33, 23,048.46 and 9,988.89

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Solution

The fourth proportional to 16,704.33, 23,048.46 and 9,988.89 is: 13,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.33 : 23,048.46 = 9,988.89 : x
  2. Step 2: Convert to fraction form
    16,704.33/23,048.46 = 9,988.89/x
  3. Step 3: Cross multiply
    16,704.33x = 23,048.46 × 9,988.89
  4. Step 4: Simplify right side
    16,704.33x = 230,228,531.61
  5. Step 5: Solve for x
    x = 230,228,531.61/16,704.33
  6. Step 6: Final answer
    x = 13,782.57

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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.