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Finding the Fourth Proportional to 14,808.40, 22,212.60 and 11,503.60

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Solution

The fourth proportional to 14,808.40, 22,212.60 and 11,503.60 is: 17,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.40 : 22,212.60 = 11,503.60 : x
  2. Step 2: Convert to fraction form
    14,808.40/22,212.60 = 11,503.60/x
  3. Step 3: Cross multiply
    14,808.40x = 22,212.60 × 11,503.60
  4. Step 4: Simplify right side
    14,808.40x = 255,524,865.36
  5. Step 5: Solve for x
    x = 255,524,865.36/14,808.40
  6. Step 6: Final answer
    x = 17,255.40

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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.