Home / 18,764.85-25,891.66-10,804.98

Finding the Fourth Proportional to 18,764.85, 25,891.66 and 10,804.98

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Solution

The fourth proportional to 18,764.85, 25,891.66 and 10,804.98 is: 14,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.85 : 25,891.66 = 10,804.98 : x
  2. Step 2: Convert to fraction form
    18,764.85/25,891.66 = 10,804.98/x
  3. Step 3: Cross multiply
    18,764.85x = 25,891.66 × 10,804.98
  4. Step 4: Simplify right side
    18,764.85x = 279,758,979.07
  5. Step 5: Solve for x
    x = 279,758,979.07/18,764.85
  6. Step 6: Final answer
    x = 14,908.67

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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.