Home / 15,201.16-22,805.38-4,812.91

Finding the Fourth Proportional to 15,201.16, 22,805.38 and 4,812.91

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Solution

The fourth proportional to 15,201.16, 22,805.38 and 4,812.91 is: 7,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.16 : 22,805.38 = 4,812.91 : x
  2. Step 2: Convert to fraction form
    15,201.16/22,805.38 = 4,812.91/x
  3. Step 3: Cross multiply
    15,201.16x = 22,805.38 × 4,812.91
  4. Step 4: Simplify right side
    15,201.16x = 109,760,241.46
  5. Step 5: Solve for x
    x = 109,760,241.46/15,201.16
  6. Step 6: Final answer
    x = 7,220.52

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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.