Home / 14,722.97-20,324.34-9,689.84

Finding the Fourth Proportional to 14,722.97, 20,324.34 and 9,689.84

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Solution

The fourth proportional to 14,722.97, 20,324.34 and 9,689.84 is: 13,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.97 : 20,324.34 = 9,689.84 : x
  2. Step 2: Convert to fraction form
    14,722.97/20,324.34 = 9,689.84/x
  3. Step 3: Cross multiply
    14,722.97x = 20,324.34 × 9,689.84
  4. Step 4: Simplify right side
    14,722.97x = 196,939,452.63
  5. Step 5: Solve for x
    x = 196,939,452.63/14,722.97
  6. Step 6: Final answer
    x = 13,376.34

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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.