Home / 18,206.72-25,133.02-12,241.84

Finding the Fourth Proportional to 18,206.72, 25,133.02 and 12,241.84

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Solution

The fourth proportional to 18,206.72, 25,133.02 and 12,241.84 is: 16,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.72 : 25,133.02 = 12,241.84 : x
  2. Step 2: Convert to fraction form
    18,206.72/25,133.02 = 12,241.84/x
  3. Step 3: Cross multiply
    18,206.72x = 25,133.02 × 12,241.84
  4. Step 4: Simplify right side
    18,206.72x = 307,674,409.56
  5. Step 5: Solve for x
    x = 307,674,409.56/18,206.72
  6. Step 6: Final answer
    x = 16,898.95

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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.