Home / 18,768.83-25,900.58-10,270.92

Finding the Fourth Proportional to 18,768.83, 25,900.58 and 10,270.92

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Solution

The fourth proportional to 18,768.83, 25,900.58 and 10,270.92 is: 14,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.83 : 25,900.58 = 10,270.92 : x
  2. Step 2: Convert to fraction form
    18,768.83/25,900.58 = 10,270.92/x
  3. Step 3: Cross multiply
    18,768.83x = 25,900.58 × 10,270.92
  4. Step 4: Simplify right side
    18,768.83x = 266,022,655.63
  5. Step 5: Solve for x
    x = 266,022,655.63/18,768.83
  6. Step 6: Final answer
    x = 14,173.64

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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.