Home / 18,534.87-25,579.94-10,578.29

Finding the Fourth Proportional to 18,534.87, 25,579.94 and 10,578.29

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Solution

The fourth proportional to 18,534.87, 25,579.94 and 10,578.29 is: 14,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.87 : 25,579.94 = 10,578.29 : x
  2. Step 2: Convert to fraction form
    18,534.87/25,579.94 = 10,578.29/x
  3. Step 3: Cross multiply
    18,534.87x = 25,579.94 × 10,578.29
  4. Step 4: Simplify right side
    18,534.87x = 270,591,842.71
  5. Step 5: Solve for x
    x = 270,591,842.71/18,534.87
  6. Step 6: Final answer
    x = 14,599.07

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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.