Home / 25,056.21-34,578.06-13,725.70

Finding the Fourth Proportional to 25,056.21, 34,578.06 and 13,725.70

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Solution

The fourth proportional to 25,056.21, 34,578.06 and 13,725.70 is: 18,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,056.21 : 34,578.06 = 13,725.70 : x
  2. Step 2: Convert to fraction form
    25,056.21/34,578.06 = 13,725.70/x
  3. Step 3: Cross multiply
    25,056.21x = 34,578.06 × 13,725.70
  4. Step 4: Simplify right side
    25,056.21x = 474,608,078.14
  5. Step 5: Solve for x
    x = 474,608,078.14/25,056.21
  6. Step 6: Final answer
    x = 18,941.73

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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.