Home / 15,880.43-23,821.81-5,350.47

Finding the Fourth Proportional to 15,880.43, 23,821.81 and 5,350.47

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Solution

The fourth proportional to 15,880.43, 23,821.81 and 5,350.47 is: 8,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.43 : 23,821.81 = 5,350.47 : x
  2. Step 2: Convert to fraction form
    15,880.43/23,821.81 = 5,350.47/x
  3. Step 3: Cross multiply
    15,880.43x = 23,821.81 × 5,350.47
  4. Step 4: Simplify right side
    15,880.43x = 127,457,853.00
  5. Step 5: Solve for x
    x = 127,457,853.00/15,880.43
  6. Step 6: Final answer
    x = 8,026.10

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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.