Home / 16,239.81-24,360.43-5,147.32

Finding the Fourth Proportional to 16,239.81, 24,360.43 and 5,147.32

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Solution

The fourth proportional to 16,239.81, 24,360.43 and 5,147.32 is: 7,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.81 : 24,360.43 = 5,147.32 : x
  2. Step 2: Convert to fraction form
    16,239.81/24,360.43 = 5,147.32/x
  3. Step 3: Cross multiply
    16,239.81x = 24,360.43 × 5,147.32
  4. Step 4: Simplify right side
    16,239.81x = 125,390,928.55
  5. Step 5: Solve for x
    x = 125,390,928.55/16,239.81
  6. Step 6: Final answer
    x = 7,721.21

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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.