Home / 17,195.42-23,722.98-12,729.86

Finding the Fourth Proportional to 17,195.42, 23,722.98 and 12,729.86

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Solution

The fourth proportional to 17,195.42, 23,722.98 and 12,729.86 is: 17,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.42 : 23,722.98 = 12,729.86 : x
  2. Step 2: Convert to fraction form
    17,195.42/23,722.98 = 12,729.86/x
  3. Step 3: Cross multiply
    17,195.42x = 23,722.98 × 12,729.86
  4. Step 4: Simplify right side
    17,195.42x = 301,990,214.18
  5. Step 5: Solve for x
    x = 301,990,214.18/17,195.42
  6. Step 6: Final answer
    x = 17,562.25

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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.