Home / 18,520.85-27,814.74-17,037.34

Finding the Fourth Proportional to 18,520.85, 27,814.74 and 17,037.34

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Solution

The fourth proportional to 18,520.85, 27,814.74 and 17,037.34 is: 25,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.85 : 27,814.74 = 17,037.34 : x
  2. Step 2: Convert to fraction form
    18,520.85/27,814.74 = 17,037.34/x
  3. Step 3: Cross multiply
    18,520.85x = 27,814.74 × 17,037.34
  4. Step 4: Simplify right side
    18,520.85x = 473,889,182.39
  5. Step 5: Solve for x
    x = 473,889,182.39/18,520.85
  6. Step 6: Final answer
    x = 25,586.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.