Home / 16,793.88-23,175.18-9,720.16

Finding the Fourth Proportional to 16,793.88, 23,175.18 and 9,720.16

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Solution

The fourth proportional to 16,793.88, 23,175.18 and 9,720.16 is: 13,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793.88 : 23,175.18 = 9,720.16 : x
  2. Step 2: Convert to fraction form
    16,793.88/23,175.18 = 9,720.16/x
  3. Step 3: Cross multiply
    16,793.88x = 23,175.18 × 9,720.16
  4. Step 4: Simplify right side
    16,793.88x = 225,266,457.63
  5. Step 5: Solve for x
    x = 225,266,457.63/16,793.88
  6. Step 6: Final answer
    x = 13,413.60

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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.