Home / 14,353.84-21,531.18-3,965.60

Finding the Fourth Proportional to 14,353.84, 21,531.18 and 3,965.60

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Solution

The fourth proportional to 14,353.84, 21,531.18 and 3,965.60 is: 5,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.84 : 21,531.18 = 3,965.60 : x
  2. Step 2: Convert to fraction form
    14,353.84/21,531.18 = 3,965.60/x
  3. Step 3: Cross multiply
    14,353.84x = 21,531.18 × 3,965.60
  4. Step 4: Simplify right side
    14,353.84x = 85,384,047.41
  5. Step 5: Solve for x
    x = 85,384,047.41/14,353.84
  6. Step 6: Final answer
    x = 5,948.52

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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.