Home / 14,336.96-21,505.12-3,948.80

Finding the Fourth Proportional to 14,336.96, 21,505.12 and 3,948.80

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Solution

The fourth proportional to 14,336.96, 21,505.12 and 3,948.80 is: 5,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.96 : 21,505.12 = 3,948.80 : x
  2. Step 2: Convert to fraction form
    14,336.96/21,505.12 = 3,948.80/x
  3. Step 3: Cross multiply
    14,336.96x = 21,505.12 × 3,948.80
  4. Step 4: Simplify right side
    14,336.96x = 84,919,417.86
  5. Step 5: Solve for x
    x = 84,919,417.86/14,336.96
  6. Step 6: Final answer
    x = 5,923.11

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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.