Home / 18,227.08-25,155.66-10,271.20

Finding the Fourth Proportional to 18,227.08, 25,155.66 and 10,271.20

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Solution

The fourth proportional to 18,227.08, 25,155.66 and 10,271.20 is: 14,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.08 : 25,155.66 = 10,271.20 : x
  2. Step 2: Convert to fraction form
    18,227.08/25,155.66 = 10,271.20/x
  3. Step 3: Cross multiply
    18,227.08x = 25,155.66 × 10,271.20
  4. Step 4: Simplify right side
    18,227.08x = 258,378,814.99
  5. Step 5: Solve for x
    x = 258,378,814.99/18,227.08
  6. Step 6: Final answer
    x = 14,175.55

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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.