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Finding the Fourth Proportional to 18,091.76, 24,946.53 and 11,369.30

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Solution

The fourth proportional to 18,091.76, 24,946.53 and 11,369.30 is: 15,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.76 : 24,946.53 = 11,369.30 : x
  2. Step 2: Convert to fraction form
    18,091.76/24,946.53 = 11,369.30/x
  3. Step 3: Cross multiply
    18,091.76x = 24,946.53 × 11,369.30
  4. Step 4: Simplify right side
    18,091.76x = 283,624,583.53
  5. Step 5: Solve for x
    x = 283,624,583.53/18,091.76
  6. Step 6: Final answer
    x = 15,677.00

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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.