Home / 17,198.86-23,742.30-12,518.68

Finding the Fourth Proportional to 17,198.86, 23,742.30 and 12,518.68

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Solution

The fourth proportional to 17,198.86, 23,742.30 and 12,518.68 is: 17,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.86 : 23,742.30 = 12,518.68 : x
  2. Step 2: Convert to fraction form
    17,198.86/23,742.30 = 12,518.68/x
  3. Step 3: Cross multiply
    17,198.86x = 23,742.30 × 12,518.68
  4. Step 4: Simplify right side
    17,198.86x = 297,222,256.16
  5. Step 5: Solve for x
    x = 297,222,256.16/17,198.86
  6. Step 6: Final answer
    x = 17,281.51

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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.