Home / 18,485.08-27,707.27-8,616.24

Finding the Fourth Proportional to 18,485.08, 27,707.27 and 8,616.24

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Solution

The fourth proportional to 18,485.08, 27,707.27 and 8,616.24 is: 12,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.08 : 27,707.27 = 8,616.24 : x
  2. Step 2: Convert to fraction form
    18,485.08/27,707.27 = 8,616.24/x
  3. Step 3: Cross multiply
    18,485.08x = 27,707.27 × 8,616.24
  4. Step 4: Simplify right side
    18,485.08x = 238,732,444.98
  5. Step 5: Solve for x
    x = 238,732,444.98/18,485.08
  6. Step 6: Final answer
    x = 12,914.87

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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.