Home / 14,304.32-19,740.44-7,930.80

Finding the Fourth Proportional to 14,304.32, 19,740.44 and 7,930.80

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Solution

The fourth proportional to 14,304.32, 19,740.44 and 7,930.80 is: 10,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.32 : 19,740.44 = 7,930.80 : x
  2. Step 2: Convert to fraction form
    14,304.32/19,740.44 = 7,930.80/x
  3. Step 3: Cross multiply
    14,304.32x = 19,740.44 × 7,930.80
  4. Step 4: Simplify right side
    14,304.32x = 156,557,481.55
  5. Step 5: Solve for x
    x = 156,557,481.55/14,304.32
  6. Step 6: Final answer
    x = 10,944.77

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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.