Home / 66,425.58-99,640.20-16,503.66

Finding the Fourth Proportional to 66,425.58, 99,640.20 and 16,503.66

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Solution

The fourth proportional to 66,425.58, 99,640.20 and 16,503.66 is: 24,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425.58 : 99,640.20 = 16,503.66 : x
  2. Step 2: Convert to fraction form
    66,425.58/99,640.20 = 16,503.66/x
  3. Step 3: Cross multiply
    66,425.58x = 99,640.20 × 16,503.66
  4. Step 4: Simplify right side
    66,425.58x = 1,644,427,983.13
  5. Step 5: Solve for x
    x = 1,644,427,983.13/66,425.58
  6. Step 6: Final answer
    x = 24,755.94

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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.