Home / 14,117.19-19,481.58-7,743.64

Finding the Fourth Proportional to 14,117.19, 19,481.58 and 7,743.64

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Solution

The fourth proportional to 14,117.19, 19,481.58 and 7,743.64 is: 10,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.19 : 19,481.58 = 7,743.64 : x
  2. Step 2: Convert to fraction form
    14,117.19/19,481.58 = 7,743.64/x
  3. Step 3: Cross multiply
    14,117.19x = 19,481.58 × 7,743.64
  4. Step 4: Simplify right side
    14,117.19x = 150,858,342.15
  5. Step 5: Solve for x
    x = 150,858,342.15/14,117.19
  6. Step 6: Final answer
    x = 10,686.15

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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.