Home / 17,149.89-23,649.46-10,428.97

Finding the Fourth Proportional to 17,149.89, 23,649.46 and 10,428.97

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Solution

The fourth proportional to 17,149.89, 23,649.46 and 10,428.97 is: 14,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.89 : 23,649.46 = 10,428.97 : x
  2. Step 2: Convert to fraction form
    17,149.89/23,649.46 = 10,428.97/x
  3. Step 3: Cross multiply
    17,149.89x = 23,649.46 × 10,428.97
  4. Step 4: Simplify right side
    17,149.89x = 246,639,508.86
  5. Step 5: Solve for x
    x = 246,639,508.86/17,149.89
  6. Step 6: Final answer
    x = 14,381.40

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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.