Home / 18,650.55-25,738.09-10,152.92

Finding the Fourth Proportional to 18,650.55, 25,738.09 and 10,152.92

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Solution

The fourth proportional to 18,650.55, 25,738.09 and 10,152.92 is: 14,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.55 : 25,738.09 = 10,152.92 : x
  2. Step 2: Convert to fraction form
    18,650.55/25,738.09 = 10,152.92/x
  3. Step 3: Cross multiply
    18,650.55x = 25,738.09 × 10,152.92
  4. Step 4: Simplify right side
    18,650.55x = 261,316,768.72
  5. Step 5: Solve for x
    x = 261,316,768.72/18,650.55
  6. Step 6: Final answer
    x = 14,011.21

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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.