Home / 18,678.94-25,776.97-10,295.44

Finding the Fourth Proportional to 18,678.94, 25,776.97 and 10,295.44

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Solution

The fourth proportional to 18,678.94, 25,776.97 and 10,295.44 is: 14,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.94 : 25,776.97 = 10,295.44 : x
  2. Step 2: Convert to fraction form
    18,678.94/25,776.97 = 10,295.44/x
  3. Step 3: Cross multiply
    18,678.94x = 25,776.97 × 10,295.44
  4. Step 4: Simplify right side
    18,678.94x = 265,385,157.84
  5. Step 5: Solve for x
    x = 265,385,157.84/18,678.94
  6. Step 6: Final answer
    x = 14,207.72

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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.