Home / 15,171.82-22,757.72-4,784.38

Finding the Fourth Proportional to 15,171.82, 22,757.72 and 4,784.38

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Solution

The fourth proportional to 15,171.82, 22,757.72 and 4,784.38 is: 7,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.82 : 22,757.72 = 4,784.38 : x
  2. Step 2: Convert to fraction form
    15,171.82/22,757.72 = 4,784.38/x
  3. Step 3: Cross multiply
    15,171.82x = 22,757.72 × 4,784.38
  4. Step 4: Simplify right side
    15,171.82x = 108,881,580.41
  5. Step 5: Solve for x
    x = 108,881,580.41/15,171.82
  6. Step 6: Final answer
    x = 7,176.57

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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.