Home / 14,380.79-21,569.54-3,851.73

Finding the Fourth Proportional to 14,380.79, 21,569.54 and 3,851.73

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Solution

The fourth proportional to 14,380.79, 21,569.54 and 3,851.73 is: 5,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.79 : 21,569.54 = 3,851.73 : x
  2. Step 2: Convert to fraction form
    14,380.79/21,569.54 = 3,851.73/x
  3. Step 3: Cross multiply
    14,380.79x = 21,569.54 × 3,851.73
  4. Step 4: Simplify right side
    14,380.79x = 83,080,025.05
  5. Step 5: Solve for x
    x = 83,080,025.05/14,380.79
  6. Step 6: Final answer
    x = 5,777.16

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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.