Home / 18,612.24-25,684.44-10,653.96

Finding the Fourth Proportional to 18,612.24, 25,684.44 and 10,653.96

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Solution

The fourth proportional to 18,612.24, 25,684.44 and 10,653.96 is: 14,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.24 : 25,684.44 = 10,653.96 : x
  2. Step 2: Convert to fraction form
    18,612.24/25,684.44 = 10,653.96/x
  3. Step 3: Cross multiply
    18,612.24x = 25,684.44 × 10,653.96
  4. Step 4: Simplify right side
    18,612.24x = 273,640,996.38
  5. Step 5: Solve for x
    x = 273,640,996.38/18,612.24
  6. Step 6: Final answer
    x = 14,702.21

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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.