Home / 15,883.12-23,820.81-5,350.42

Finding the Fourth Proportional to 15,883.12, 23,820.81 and 5,350.42

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Solution

The fourth proportional to 15,883.12, 23,820.81 and 5,350.42 is: 8,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.12 : 23,820.81 = 5,350.42 : x
  2. Step 2: Convert to fraction form
    15,883.12/23,820.81 = 5,350.42/x
  3. Step 3: Cross multiply
    15,883.12x = 23,820.81 × 5,350.42
  4. Step 4: Simplify right side
    15,883.12x = 127,451,219.14
  5. Step 5: Solve for x
    x = 127,451,219.14/15,883.12
  6. Step 6: Final answer
    x = 8,024.32

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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.