Home / 16,451.30-22,702.73-8,897.64

Finding the Fourth Proportional to 16,451.30, 22,702.73 and 8,897.64

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Solution

The fourth proportional to 16,451.30, 22,702.73 and 8,897.64 is: 12,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.30 : 22,702.73 = 8,897.64 : x
  2. Step 2: Convert to fraction form
    16,451.30/22,702.73 = 8,897.64/x
  3. Step 3: Cross multiply
    16,451.30x = 22,702.73 × 8,897.64
  4. Step 4: Simplify right side
    16,451.30x = 202,000,718.56
  5. Step 5: Solve for x
    x = 202,000,718.56/16,451.30
  6. Step 6: Final answer
    x = 12,278.71

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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.