Home / 13,641.32-20,456.94-10,725.32

Finding the Fourth Proportional to 13,641.32, 20,456.94 and 10,725.32

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Solution

The fourth proportional to 13,641.32, 20,456.94 and 10,725.32 is: 16,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.32 : 20,456.94 = 10,725.32 : x
  2. Step 2: Convert to fraction form
    13,641.32/20,456.94 = 10,725.32/x
  3. Step 3: Cross multiply
    13,641.32x = 20,456.94 × 10,725.32
  4. Step 4: Simplify right side
    13,641.32x = 219,407,227.72
  5. Step 5: Solve for x
    x = 219,407,227.72/13,641.32
  6. Step 6: Final answer
    x = 16,084.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.