Home / 19,780.92-29,673.36-7,304.22

Finding the Fourth Proportional to 19,780.92, 29,673.36 and 7,304.22

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Solution

The fourth proportional to 19,780.92, 29,673.36 and 7,304.22 is: 10,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.92 : 29,673.36 = 7,304.22 : x
  2. Step 2: Convert to fraction form
    19,780.92/29,673.36 = 7,304.22/x
  3. Step 3: Cross multiply
    19,780.92x = 29,673.36 × 7,304.22
  4. Step 4: Simplify right side
    19,780.92x = 216,740,749.58
  5. Step 5: Solve for x
    x = 216,740,749.58/19,780.92
  6. Step 6: Final answer
    x = 10,957.06

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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.