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Finding the Fourth Proportional to 18,051.62, 24,922.98 and 16,159.98

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Solution

The fourth proportional to 18,051.62, 24,922.98 and 16,159.98 is: 22,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.62 : 24,922.98 = 16,159.98 : x
  2. Step 2: Convert to fraction form
    18,051.62/24,922.98 = 16,159.98/x
  3. Step 3: Cross multiply
    18,051.62x = 24,922.98 × 16,159.98
  4. Step 4: Simplify right side
    18,051.62x = 402,754,858.34
  5. Step 5: Solve for x
    x = 402,754,858.34/18,051.62
  6. Step 6: Final answer
    x = 22,311.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.