Home / 14,869.36-20,519.49-8,154.97

Finding the Fourth Proportional to 14,869.36, 20,519.49 and 8,154.97

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Solution

The fourth proportional to 14,869.36, 20,519.49 and 8,154.97 is: 11,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.36 : 20,519.49 = 8,154.97 : x
  2. Step 2: Convert to fraction form
    14,869.36/20,519.49 = 8,154.97/x
  3. Step 3: Cross multiply
    14,869.36x = 20,519.49 × 8,154.97
  4. Step 4: Simplify right side
    14,869.36x = 167,335,825.37
  5. Step 5: Solve for x
    x = 167,335,825.37/14,869.36
  6. Step 6: Final answer
    x = 11,253.73

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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.