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Finding the Fourth Proportional to 14,813.70, 22,220.55 and 13,200.90

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Solution

The fourth proportional to 14,813.70, 22,220.55 and 13,200.90 is: 19,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.70 : 22,220.55 = 13,200.90 : x
  2. Step 2: Convert to fraction form
    14,813.70/22,220.55 = 13,200.90/x
  3. Step 3: Cross multiply
    14,813.70x = 22,220.55 × 13,200.90
  4. Step 4: Simplify right side
    14,813.70x = 293,331,258.50
  5. Step 5: Solve for x
    x = 293,331,258.50/14,813.70
  6. Step 6: Final answer
    x = 19,801.35

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Similar ratio
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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.