Home / 16,135.40-22,272.30-10,177

Finding the Fourth Proportional to 16,135.40, 22,272.30 and 10,177

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Solution

The fourth proportional to 16,135.40, 22,272.30 and 10,177 is: 14,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.40 : 22,272.30 = 10,177 : x
  2. Step 2: Convert to fraction form
    16,135.40/22,272.30 = 10,177/x
  3. Step 3: Cross multiply
    16,135.40x = 22,272.30 × 10,177
  4. Step 4: Simplify right side
    16,135.40x = 226,665,197.10
  5. Step 5: Solve for x
    x = 226,665,197.10/16,135.40
  6. Step 6: Final answer
    x = 14,047.70

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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.