Home / 18,878.97-26,050.84-11,325.60

Finding the Fourth Proportional to 18,878.97, 26,050.84 and 11,325.60

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Solution

The fourth proportional to 18,878.97, 26,050.84 and 11,325.60 is: 15,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.97 : 26,050.84 = 11,325.60 : x
  2. Step 2: Convert to fraction form
    18,878.97/26,050.84 = 11,325.60/x
  3. Step 3: Cross multiply
    18,878.97x = 26,050.84 × 11,325.60
  4. Step 4: Simplify right side
    18,878.97x = 295,041,393.50
  5. Step 5: Solve for x
    x = 295,041,393.50/18,878.97
  6. Step 6: Final answer
    x = 15,628.05

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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.