Home / 14,240.31-21,358.84-3,851.25

Finding the Fourth Proportional to 14,240.31, 21,358.84 and 3,851.25

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Solution

The fourth proportional to 14,240.31, 21,358.84 and 3,851.25 is: 5,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.31 : 21,358.84 = 3,851.25 : x
  2. Step 2: Convert to fraction form
    14,240.31/21,358.84 = 3,851.25/x
  3. Step 3: Cross multiply
    14,240.31x = 21,358.84 × 3,851.25
  4. Step 4: Simplify right side
    14,240.31x = 82,258,232.55
  5. Step 5: Solve for x
    x = 82,258,232.55/14,240.31
  6. Step 6: Final answer
    x = 5,776.44

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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.