Home / 13,962.19-20,943.24-3,432.25

Finding the Fourth Proportional to 13,962.19, 20,943.24 and 3,432.25

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Solution

The fourth proportional to 13,962.19, 20,943.24 and 3,432.25 is: 5,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.19 : 20,943.24 = 3,432.25 : x
  2. Step 2: Convert to fraction form
    13,962.19/20,943.24 = 3,432.25/x
  3. Step 3: Cross multiply
    13,962.19x = 20,943.24 × 3,432.25
  4. Step 4: Simplify right side
    13,962.19x = 71,882,435.49
  5. Step 5: Solve for x
    x = 71,882,435.49/13,962.19
  6. Step 6: Final answer
    x = 5,148.36

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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.