Home / 15,589.56-23,384.33-3,902.78

Finding the Fourth Proportional to 15,589.56, 23,384.33 and 3,902.78

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Solution

The fourth proportional to 15,589.56, 23,384.33 and 3,902.78 is: 5,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.56 : 23,384.33 = 3,902.78 : x
  2. Step 2: Convert to fraction form
    15,589.56/23,384.33 = 3,902.78/x
  3. Step 3: Cross multiply
    15,589.56x = 23,384.33 × 3,902.78
  4. Step 4: Simplify right side
    15,589.56x = 91,263,949.02
  5. Step 5: Solve for x
    x = 91,263,949.02/15,589.56
  6. Step 6: Final answer
    x = 5,854.17

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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.