Home / 25,056.87-34,577.13-13,725.78

Finding the Fourth Proportional to 25,056.87, 34,577.13 and 13,725.78

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Solution

The fourth proportional to 25,056.87, 34,577.13 and 13,725.78 is: 18,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,056.87 : 34,577.13 = 13,725.78 : x
  2. Step 2: Convert to fraction form
    25,056.87/34,577.13 = 13,725.78/x
  3. Step 3: Cross multiply
    25,056.87x = 34,577.13 × 13,725.78
  4. Step 4: Simplify right side
    25,056.87x = 474,598,079.41
  5. Step 5: Solve for x
    x = 474,598,079.41/25,056.87
  6. Step 6: Final answer
    x = 18,940.84

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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.