Home / 18,535.61-25,580.97-10,579.03

Finding the Fourth Proportional to 18,535.61, 25,580.97 and 10,579.03

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Solution

The fourth proportional to 18,535.61, 25,580.97 and 10,579.03 is: 14,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.61 : 25,580.97 = 10,579.03 : x
  2. Step 2: Convert to fraction form
    18,535.61/25,580.97 = 10,579.03/x
  3. Step 3: Cross multiply
    18,535.61x = 25,580.97 × 10,579.03
  4. Step 4: Simplify right side
    18,535.61x = 270,621,785.11
  5. Step 5: Solve for x
    x = 270,621,785.11/18,535.61
  6. Step 6: Final answer
    x = 14,600.10

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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.