Home / 17,621.80-24,318.38-9,663.92

Finding the Fourth Proportional to 17,621.80, 24,318.38 and 9,663.92

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Solution

The fourth proportional to 17,621.80, 24,318.38 and 9,663.92 is: 13,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.80 : 24,318.38 = 9,663.92 : x
  2. Step 2: Convert to fraction form
    17,621.80/24,318.38 = 9,663.92/x
  3. Step 3: Cross multiply
    17,621.80x = 24,318.38 × 9,663.92
  4. Step 4: Simplify right side
    17,621.80x = 235,010,878.85
  5. Step 5: Solve for x
    x = 235,010,878.85/17,621.80
  6. Step 6: Final answer
    x = 13,336.37

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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.