Home / 19,297.67-28,954.20-9,434.30

Finding the Fourth Proportional to 19,297.67, 28,954.20 and 9,434.30

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Solution

The fourth proportional to 19,297.67, 28,954.20 and 9,434.30 is: 14,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.67 : 28,954.20 = 9,434.30 : x
  2. Step 2: Convert to fraction form
    19,297.67/28,954.20 = 9,434.30/x
  3. Step 3: Cross multiply
    19,297.67x = 28,954.20 × 9,434.30
  4. Step 4: Simplify right side
    19,297.67x = 273,162,609.06
  5. Step 5: Solve for x
    x = 273,162,609.06/19,297.67
  6. Step 6: Final answer
    x = 14,155.21

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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.