Home / 18,176.72-25,060.74-12,198.92

Finding the Fourth Proportional to 18,176.72, 25,060.74 and 12,198.92

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Solution

The fourth proportional to 18,176.72, 25,060.74 and 12,198.92 is: 16,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.72 : 25,060.74 = 12,198.92 : x
  2. Step 2: Convert to fraction form
    18,176.72/25,060.74 = 12,198.92/x
  3. Step 3: Cross multiply
    18,176.72x = 25,060.74 × 12,198.92
  4. Step 4: Simplify right side
    18,176.72x = 305,713,962.40
  5. Step 5: Solve for x
    x = 305,713,962.40/18,176.72
  6. Step 6: Final answer
    x = 16,818.98

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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.