Home / 15,201.08-22,801.20-4,812.56

Finding the Fourth Proportional to 15,201.08, 22,801.20 and 4,812.56

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Solution

The fourth proportional to 15,201.08, 22,801.20 and 4,812.56 is: 7,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.08 : 22,801.20 = 4,812.56 : x
  2. Step 2: Convert to fraction form
    15,201.08/22,801.20 = 4,812.56/x
  3. Step 3: Cross multiply
    15,201.08x = 22,801.20 × 4,812.56
  4. Step 4: Simplify right side
    15,201.08x = 109,732,143.07
  5. Step 5: Solve for x
    x = 109,732,143.07/15,201.08
  6. Step 6: Final answer
    x = 7,218.71

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1.5x scale

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.