Home / 18,767.40-25,878.38-12,050.48

Finding the Fourth Proportional to 18,767.40, 25,878.38 and 12,050.48

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Solution

The fourth proportional to 18,767.40, 25,878.38 and 12,050.48 is: 16,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.40 : 25,878.38 = 12,050.48 : x
  2. Step 2: Convert to fraction form
    18,767.40/25,878.38 = 12,050.48/x
  3. Step 3: Cross multiply
    18,767.40x = 25,878.38 × 12,050.48
  4. Step 4: Simplify right side
    18,767.40x = 311,846,900.62
  5. Step 5: Solve for x
    x = 311,846,900.62/18,767.40
  6. Step 6: Final answer
    x = 16,616.41

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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.