Home / 18,199.04-27,299.10-5,718.56

Finding the Fourth Proportional to 18,199.04, 27,299.10 and 5,718.56

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Solution

The fourth proportional to 18,199.04, 27,299.10 and 5,718.56 is: 8,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.04 : 27,299.10 = 5,718.56 : x
  2. Step 2: Convert to fraction form
    18,199.04/27,299.10 = 5,718.56/x
  3. Step 3: Cross multiply
    18,199.04x = 27,299.10 × 5,718.56
  4. Step 4: Simplify right side
    18,199.04x = 156,111,541.30
  5. Step 5: Solve for x
    x = 156,111,541.30/18,199.04
  6. Step 6: Final answer
    x = 8,578.01

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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.