Home / 13,747.22-20,609.29-9,574.91

Finding the Fourth Proportional to 13,747.22, 20,609.29 and 9,574.91

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Solution

The fourth proportional to 13,747.22, 20,609.29 and 9,574.91 is: 14,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.22 : 20,609.29 = 9,574.91 : x
  2. Step 2: Convert to fraction form
    13,747.22/20,609.29 = 9,574.91/x
  3. Step 3: Cross multiply
    13,747.22x = 20,609.29 × 9,574.91
  4. Step 4: Simplify right side
    13,747.22x = 197,332,160.41
  5. Step 5: Solve for x
    x = 197,332,160.41/13,747.22
  6. Step 6: Final answer
    x = 14,354.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.