Home / 18,786.56-25,925.82-10,827.44

Finding the Fourth Proportional to 18,786.56, 25,925.82 and 10,827.44

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Solution

The fourth proportional to 18,786.56, 25,925.82 and 10,827.44 is: 14,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.56 : 25,925.82 = 10,827.44 : x
  2. Step 2: Convert to fraction form
    18,786.56/25,925.82 = 10,827.44/x
  3. Step 3: Cross multiply
    18,786.56x = 25,925.82 × 10,827.44
  4. Step 4: Simplify right side
    18,786.56x = 280,710,260.50
  5. Step 5: Solve for x
    x = 280,710,260.50/18,786.56
  6. Step 6: Final answer
    x = 14,942.08

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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.