Home / 16,993.12-23,454.96-9,543.52

Finding the Fourth Proportional to 16,993.12, 23,454.96 and 9,543.52

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Solution

The fourth proportional to 16,993.12, 23,454.96 and 9,543.52 is: 13,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.12 : 23,454.96 = 9,543.52 : x
  2. Step 2: Convert to fraction form
    16,993.12/23,454.96 = 9,543.52/x
  3. Step 3: Cross multiply
    16,993.12x = 23,454.96 × 9,543.52
  4. Step 4: Simplify right side
    16,993.12x = 223,842,879.86
  5. Step 5: Solve for x
    x = 223,842,879.86/16,993.12
  6. Step 6: Final answer
    x = 13,172.56

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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.