Home / 18,998.96-26,217.72-10,614.80

Finding the Fourth Proportional to 18,998.96, 26,217.72 and 10,614.80

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Solution

The fourth proportional to 18,998.96, 26,217.72 and 10,614.80 is: 14,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.96 : 26,217.72 = 10,614.80 : x
  2. Step 2: Convert to fraction form
    18,998.96/26,217.72 = 10,614.80/x
  3. Step 3: Cross multiply
    18,998.96x = 26,217.72 × 10,614.80
  4. Step 4: Simplify right side
    18,998.96x = 278,295,854.26
  5. Step 5: Solve for x
    x = 278,295,854.26/18,998.96
  6. Step 6: Final answer
    x = 14,647.95

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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.