Home / 18,535.91-25,581.38-10,579.32

Finding the Fourth Proportional to 18,535.91, 25,581.38 and 10,579.32

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Solution

The fourth proportional to 18,535.91, 25,581.38 and 10,579.32 is: 14,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.91 : 25,581.38 = 10,579.32 : x
  2. Step 2: Convert to fraction form
    18,535.91/25,581.38 = 10,579.32/x
  3. Step 3: Cross multiply
    18,535.91x = 25,581.38 × 10,579.32
  4. Step 4: Simplify right side
    18,535.91x = 270,633,552.17
  5. Step 5: Solve for x
    x = 270,633,552.17/18,535.91
  6. Step 6: Final answer
    x = 14,600.50

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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.