Home / 15,821.19-23,731.79-4,134.42

Finding the Fourth Proportional to 15,821.19, 23,731.79 and 4,134.42

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Solution

The fourth proportional to 15,821.19, 23,731.79 and 4,134.42 is: 6,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.19 : 23,731.79 = 4,134.42 : x
  2. Step 2: Convert to fraction form
    15,821.19/23,731.79 = 4,134.42/x
  3. Step 3: Cross multiply
    15,821.19x = 23,731.79 × 4,134.42
  4. Step 4: Simplify right side
    15,821.19x = 98,117,166.54
  5. Step 5: Solve for x
    x = 98,117,166.54/15,821.19
  6. Step 6: Final answer
    x = 6,201.63

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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.