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Finding the Fourth Proportional to 18,056.88, 24,921.93 and 12,098.94

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Solution

The fourth proportional to 18,056.88, 24,921.93 and 12,098.94 is: 16,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.88 : 24,921.93 = 12,098.94 : x
  2. Step 2: Convert to fraction form
    18,056.88/24,921.93 = 12,098.94/x
  3. Step 3: Cross multiply
    18,056.88x = 24,921.93 × 12,098.94
  4. Step 4: Simplify right side
    18,056.88x = 301,528,935.75
  5. Step 5: Solve for x
    x = 301,528,935.75/18,056.88
  6. Step 6: Final answer
    x = 16,698.84

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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.