Home / 15,684.80-23,524.92-5,155.22

Finding the Fourth Proportional to 15,684.80, 23,524.92 and 5,155.22

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Solution

The fourth proportional to 15,684.80, 23,524.92 and 5,155.22 is: 7,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.80 : 23,524.92 = 5,155.22 : x
  2. Step 2: Convert to fraction form
    15,684.80/23,524.92 = 5,155.22/x
  3. Step 3: Cross multiply
    15,684.80x = 23,524.92 × 5,155.22
  4. Step 4: Simplify right side
    15,684.80x = 121,276,138.08
  5. Step 5: Solve for x
    x = 121,276,138.08/15,684.80
  6. Step 6: Final answer
    x = 7,732.08

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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.