Home / 15,943.72-23,902.38-7,619.56

Finding the Fourth Proportional to 15,943.72, 23,902.38 and 7,619.56

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Solution

The fourth proportional to 15,943.72, 23,902.38 and 7,619.56 is: 11,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.72 : 23,902.38 = 7,619.56 : x
  2. Step 2: Convert to fraction form
    15,943.72/23,902.38 = 7,619.56/x
  3. Step 3: Cross multiply
    15,943.72x = 23,902.38 × 7,619.56
  4. Step 4: Simplify right side
    15,943.72x = 182,125,618.55
  5. Step 5: Solve for x
    x = 182,125,618.55/15,943.72
  6. Step 6: Final answer
    x = 11,423.03

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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.