Home / 15,983.84-23,946.96-8,580.44

Finding the Fourth Proportional to 15,983.84, 23,946.96 and 8,580.44

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Solution

The fourth proportional to 15,983.84, 23,946.96 and 8,580.44 is: 12,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.84 : 23,946.96 = 8,580.44 : x
  2. Step 2: Convert to fraction form
    15,983.84/23,946.96 = 8,580.44/x
  3. Step 3: Cross multiply
    15,983.84x = 23,946.96 × 8,580.44
  4. Step 4: Simplify right side
    15,983.84x = 205,475,453.46
  5. Step 5: Solve for x
    x = 205,475,453.46/15,983.84
  6. Step 6: Final answer
    x = 12,855.20

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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.