Home / 14,435.62-19,930.25-11,071.96

Finding the Fourth Proportional to 14,435.62, 19,930.25 and 11,071.96

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Solution

The fourth proportional to 14,435.62, 19,930.25 and 11,071.96 is: 15,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.62 : 19,930.25 = 11,071.96 : x
  2. Step 2: Convert to fraction form
    14,435.62/19,930.25 = 11,071.96/x
  3. Step 3: Cross multiply
    14,435.62x = 19,930.25 × 11,071.96
  4. Step 4: Simplify right side
    14,435.62x = 220,666,930.79
  5. Step 5: Solve for x
    x = 220,666,930.79/14,435.62
  6. Step 6: Final answer
    x = 15,286.28

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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.