Home / 13,182.45-18,204.04-8,474.93

Finding the Fourth Proportional to 13,182.45, 18,204.04 and 8,474.93

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Solution

The fourth proportional to 13,182.45, 18,204.04 and 8,474.93 is: 11,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.45 : 18,204.04 = 8,474.93 : x
  2. Step 2: Convert to fraction form
    13,182.45/18,204.04 = 8,474.93/x
  3. Step 3: Cross multiply
    13,182.45x = 18,204.04 × 8,474.93
  4. Step 4: Simplify right side
    13,182.45x = 154,277,952.56
  5. Step 5: Solve for x
    x = 154,277,952.56/13,182.45
  6. Step 6: Final answer
    x = 11,703.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.