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Finding the Fourth Proportional to 14,811.30, 22,216.95 and 9,270.90

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Solution

The fourth proportional to 14,811.30, 22,216.95 and 9,270.90 is: 13,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.30 : 22,216.95 = 9,270.90 : x
  2. Step 2: Convert to fraction form
    14,811.30/22,216.95 = 9,270.90/x
  3. Step 3: Cross multiply
    14,811.30x = 22,216.95 × 9,270.90
  4. Step 4: Simplify right side
    14,811.30x = 205,971,121.76
  5. Step 5: Solve for x
    x = 205,971,121.76/14,811.30
  6. Step 6: Final answer
    x = 13,906.35

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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.