Home / 16,147.75-22,276.33-11,434.63

Finding the Fourth Proportional to 16,147.75, 22,276.33 and 11,434.63

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Solution

The fourth proportional to 16,147.75, 22,276.33 and 11,434.63 is: 15,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.75 : 22,276.33 = 11,434.63 : x
  2. Step 2: Convert to fraction form
    16,147.75/22,276.33 = 11,434.63/x
  3. Step 3: Cross multiply
    16,147.75x = 22,276.33 × 11,434.63
  4. Step 4: Simplify right side
    16,147.75x = 254,721,591.31
  5. Step 5: Solve for x
    x = 254,721,591.31/16,147.75
  6. Step 6: Final answer
    x = 15,774.43

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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.