Home / 14,522.40-20,032.20-8,923.68

Finding the Fourth Proportional to 14,522.40, 20,032.20 and 8,923.68

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Solution

The fourth proportional to 14,522.40, 20,032.20 and 8,923.68 is: 12,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.40 : 20,032.20 = 8,923.68 : x
  2. Step 2: Convert to fraction form
    14,522.40/20,032.20 = 8,923.68/x
  3. Step 3: Cross multiply
    14,522.40x = 20,032.20 × 8,923.68
  4. Step 4: Simplify right side
    14,522.40x = 178,760,942.50
  5. Step 5: Solve for x
    x = 178,760,942.50/14,522.40
  6. Step 6: Final answer
    x = 12,309.33

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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.