Home / 18,515.83-25,551.21-10,560.62

Finding the Fourth Proportional to 18,515.83, 25,551.21 and 10,560.62

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Solution

The fourth proportional to 18,515.83, 25,551.21 and 10,560.62 is: 14,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.83 : 25,551.21 = 10,560.62 : x
  2. Step 2: Convert to fraction form
    18,515.83/25,551.21 = 10,560.62/x
  3. Step 3: Cross multiply
    18,515.83x = 25,551.21 × 10,560.62
  4. Step 4: Simplify right side
    18,515.83x = 269,836,619.35
  5. Step 5: Solve for x
    x = 269,836,619.35/18,515.83
  6. Step 6: Final answer
    x = 14,573.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.