Home / 18,766.65-25,897.75-10,268.67

Finding the Fourth Proportional to 18,766.65, 25,897.75 and 10,268.67

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Solution

The fourth proportional to 18,766.65, 25,897.75 and 10,268.67 is: 14,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.65 : 25,897.75 = 10,268.67 : x
  2. Step 2: Convert to fraction form
    18,766.65/25,897.75 = 10,268.67/x
  3. Step 3: Cross multiply
    18,766.65x = 25,897.75 × 10,268.67
  4. Step 4: Simplify right side
    18,766.65x = 265,935,439.56
  5. Step 5: Solve for x
    x = 265,935,439.56/18,766.65
  6. Step 6: Final answer
    x = 14,170.64

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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.