Home / 17,170.38-23,672.45-12,386.32

Finding the Fourth Proportional to 17,170.38, 23,672.45 and 12,386.32

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Solution

The fourth proportional to 17,170.38, 23,672.45 and 12,386.32 is: 17,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.38 : 23,672.45 = 12,386.32 : x
  2. Step 2: Convert to fraction form
    17,170.38/23,672.45 = 12,386.32/x
  3. Step 3: Cross multiply
    17,170.38x = 23,672.45 × 12,386.32
  4. Step 4: Simplify right side
    17,170.38x = 293,214,512.67
  5. Step 5: Solve for x
    x = 293,214,512.67/17,170.38
  6. Step 6: Final answer
    x = 17,076.76

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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.