Home / 18,410.67-27,607.80-6,715.69

Finding the Fourth Proportional to 18,410.67, 27,607.80 and 6,715.69

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Solution

The fourth proportional to 18,410.67, 27,607.80 and 6,715.69 is: 10,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.67 : 27,607.80 = 6,715.69 : x
  2. Step 2: Convert to fraction form
    18,410.67/27,607.80 = 6,715.69/x
  3. Step 3: Cross multiply
    18,410.67x = 27,607.80 × 6,715.69
  4. Step 4: Simplify right side
    18,410.67x = 185,405,382.55
  5. Step 5: Solve for x
    x = 185,405,382.55/18,410.67
  6. Step 6: Final answer
    x = 10,070.54

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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.