Home / 16,871.72-23,284.78-10,161.26

Finding the Fourth Proportional to 16,871.72, 23,284.78 and 10,161.26

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Solution

The fourth proportional to 16,871.72, 23,284.78 and 10,161.26 is: 14,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.72 : 23,284.78 = 10,161.26 : x
  2. Step 2: Convert to fraction form
    16,871.72/23,284.78 = 10,161.26/x
  3. Step 3: Cross multiply
    16,871.72x = 23,284.78 × 10,161.26
  4. Step 4: Simplify right side
    16,871.72x = 236,602,703.62
  5. Step 5: Solve for x
    x = 236,602,703.62/16,871.72
  6. Step 6: Final answer
    x = 14,023.63

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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.