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Finding the Fourth Proportional to 14,911.60, 22,410.60 and 13,010.80

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Solution

The fourth proportional to 14,911.60, 22,410.60 and 13,010.80 is: 19,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.60 : 22,410.60 = 13,010.80 : x
  2. Step 2: Convert to fraction form
    14,911.60/22,410.60 = 13,010.80/x
  3. Step 3: Cross multiply
    14,911.60x = 22,410.60 × 13,010.80
  4. Step 4: Simplify right side
    14,911.60x = 291,579,834.48
  5. Step 5: Solve for x
    x = 291,579,834.48/14,911.60
  6. Step 6: Final answer
    x = 19,553.89

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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.