Home / 16,953.10-25,422.45-8,190.70

Finding the Fourth Proportional to 16,953.10, 25,422.45 and 8,190.70

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Solution

The fourth proportional to 16,953.10, 25,422.45 and 8,190.70 is: 12,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.10 : 25,422.45 = 8,190.70 : x
  2. Step 2: Convert to fraction form
    16,953.10/25,422.45 = 8,190.70/x
  3. Step 3: Cross multiply
    16,953.10x = 25,422.45 × 8,190.70
  4. Step 4: Simplify right side
    16,953.10x = 208,227,661.22
  5. Step 5: Solve for x
    x = 208,227,661.22/16,953.10
  6. Step 6: Final answer
    x = 12,282.57

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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.