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Finding the Fourth Proportional to 18,136.22, 27,146.01 and 9,359.18

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Solution

The fourth proportional to 18,136.22, 27,146.01 and 9,359.18 is: 14,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.22 : 27,146.01 = 9,359.18 : x
  2. Step 2: Convert to fraction form
    18,136.22/27,146.01 = 9,359.18/x
  3. Step 3: Cross multiply
    18,136.22x = 27,146.01 × 9,359.18
  4. Step 4: Simplify right side
    18,136.22x = 254,064,393.87
  5. Step 5: Solve for x
    x = 254,064,393.87/18,136.22
  6. Step 6: Final answer
    x = 14,008.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.