Home / 14,522.40-21,751.20-11,217.60

Finding the Fourth Proportional to 14,522.40, 21,751.20 and 11,217.60

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Solution

The fourth proportional to 14,522.40, 21,751.20 and 11,217.60 is: 16,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.40 : 21,751.20 = 11,217.60 : x
  2. Step 2: Convert to fraction form
    14,522.40/21,751.20 = 11,217.60/x
  3. Step 3: Cross multiply
    14,522.40x = 21,751.20 × 11,217.60
  4. Step 4: Simplify right side
    14,522.40x = 243,996,261.12
  5. Step 5: Solve for x
    x = 243,996,261.12/14,522.40
  6. Step 6: Final answer
    x = 16,801.37

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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.