Home / 19,521.54-29,281.77-5,481.68

Finding the Fourth Proportional to 19,521.54, 29,281.77 and 5,481.68

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Solution

The fourth proportional to 19,521.54, 29,281.77 and 5,481.68 is: 8,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.54 : 29,281.77 = 5,481.68 : x
  2. Step 2: Convert to fraction form
    19,521.54/29,281.77 = 5,481.68/x
  3. Step 3: Cross multiply
    19,521.54x = 29,281.77 × 5,481.68
  4. Step 4: Simplify right side
    19,521.54x = 160,513,146.56
  5. Step 5: Solve for x
    x = 160,513,146.56/19,521.54
  6. Step 6: Final answer
    x = 8,222.36

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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.