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Finding the Fourth Proportional to 14,597.76, 21,757.94 and 13,767.48

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Solution

The fourth proportional to 14,597.76, 21,757.94 and 13,767.48 is: 20,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597.76 : 21,757.94 = 13,767.48 : x
  2. Step 2: Convert to fraction form
    14,597.76/21,757.94 = 13,767.48/x
  3. Step 3: Cross multiply
    14,597.76x = 21,757.94 × 13,767.48
  4. Step 4: Simplify right side
    14,597.76x = 299,552,003.79
  5. Step 5: Solve for x
    x = 299,552,003.79/14,597.76
  6. Step 6: Final answer
    x = 20,520.41

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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.