Home / 25,057.85-34,578.35-13,725.10

Finding the Fourth Proportional to 25,057.85, 34,578.35 and 13,725.10

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Solution

The fourth proportional to 25,057.85, 34,578.35 and 13,725.10 is: 18,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,057.85 : 34,578.35 = 13,725.10 : x
  2. Step 2: Convert to fraction form
    25,057.85/34,578.35 = 13,725.10/x
  3. Step 3: Cross multiply
    25,057.85x = 34,578.35 × 13,725.10
  4. Step 4: Simplify right side
    25,057.85x = 474,591,259.45
  5. Step 5: Solve for x
    x = 474,591,259.45/25,057.85
  6. Step 6: Final answer
    x = 18,939.82

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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.