Home / 18,232.08-27,331.76-7,136.16

Finding the Fourth Proportional to 18,232.08, 27,331.76 and 7,136.16

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Solution

The fourth proportional to 18,232.08, 27,331.76 and 7,136.16 is: 10,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.08 : 27,331.76 = 7,136.16 : x
  2. Step 2: Convert to fraction form
    18,232.08/27,331.76 = 7,136.16/x
  3. Step 3: Cross multiply
    18,232.08x = 27,331.76 × 7,136.16
  4. Step 4: Simplify right side
    18,232.08x = 195,043,812.44
  5. Step 5: Solve for x
    x = 195,043,812.44/18,232.08
  6. Step 6: Final answer
    x = 10,697.84

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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.