Home / 13,175.38-19,840.39-9,503.02

Finding the Fourth Proportional to 13,175.38, 19,840.39 and 9,503.02

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Solution

The fourth proportional to 13,175.38, 19,840.39 and 9,503.02 is: 14,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.38 : 19,840.39 = 9,503.02 : x
  2. Step 2: Convert to fraction form
    13,175.38/19,840.39 = 9,503.02/x
  3. Step 3: Cross multiply
    13,175.38x = 19,840.39 × 9,503.02
  4. Step 4: Simplify right side
    13,175.38x = 188,543,622.98
  5. Step 5: Solve for x
    x = 188,543,622.98/13,175.38
  6. Step 6: Final answer
    x = 14,310.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.