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Finding the Fourth Proportional to 14,819.60, 22,123.76 and 14,300.49

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Solution

The fourth proportional to 14,819.60, 22,123.76 and 14,300.49 is: 21,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.60 : 22,123.76 = 14,300.49 : x
  2. Step 2: Convert to fraction form
    14,819.60/22,123.76 = 14,300.49/x
  3. Step 3: Cross multiply
    14,819.60x = 22,123.76 × 14,300.49
  4. Step 4: Simplify right side
    14,819.60x = 316,380,608.64
  5. Step 5: Solve for x
    x = 316,380,608.64/14,819.60
  6. Step 6: Final answer
    x = 21,348.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.