Home / 18,622.42-25,700.52-10,240.54

Finding the Fourth Proportional to 18,622.42, 25,700.52 and 10,240.54

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Solution

The fourth proportional to 18,622.42, 25,700.52 and 10,240.54 is: 14,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.42 : 25,700.52 = 10,240.54 : x
  2. Step 2: Convert to fraction form
    18,622.42/25,700.52 = 10,240.54/x
  3. Step 3: Cross multiply
    18,622.42x = 25,700.52 × 10,240.54
  4. Step 4: Simplify right side
    18,622.42x = 263,187,203.08
  5. Step 5: Solve for x
    x = 263,187,203.08/18,622.42
  6. Step 6: Final answer
    x = 14,132.81

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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.