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Finding the Fourth Proportional to 14,918.80, 22,454.02 and 11,239.60

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Solution

The fourth proportional to 14,918.80, 22,454.02 and 11,239.60 is: 16,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.80 : 22,454.02 = 11,239.60 : x
  2. Step 2: Convert to fraction form
    14,918.80/22,454.02 = 11,239.60/x
  3. Step 3: Cross multiply
    14,918.80x = 22,454.02 × 11,239.60
  4. Step 4: Simplify right side
    14,918.80x = 252,374,203.19
  5. Step 5: Solve for x
    x = 252,374,203.19/14,918.80
  6. Step 6: Final answer
    x = 16,916.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.