Home / 16,451.05-22,702.39-8,897.39

Finding the Fourth Proportional to 16,451.05, 22,702.39 and 8,897.39

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Solution

The fourth proportional to 16,451.05, 22,702.39 and 8,897.39 is: 12,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.05 : 22,702.39 = 8,897.39 : x
  2. Step 2: Convert to fraction form
    16,451.05/22,702.39 = 8,897.39/x
  3. Step 3: Cross multiply
    16,451.05x = 22,702.39 × 8,897.39
  4. Step 4: Simplify right side
    16,451.05x = 201,992,017.76
  5. Step 5: Solve for x
    x = 201,992,017.76/16,451.05
  6. Step 6: Final answer
    x = 12,278.37

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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.