Home / 18,446.04-27,687.89-13,500.99

Finding the Fourth Proportional to 18,446.04, 27,687.89 and 13,500.99

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Solution

The fourth proportional to 18,446.04, 27,687.89 and 13,500.99 is: 20,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.04 : 27,687.89 = 13,500.99 : x
  2. Step 2: Convert to fraction form
    18,446.04/27,687.89 = 13,500.99/x
  3. Step 3: Cross multiply
    18,446.04x = 27,687.89 × 13,500.99
  4. Step 4: Simplify right side
    18,446.04x = 373,813,959.76
  5. Step 5: Solve for x
    x = 373,813,959.76/18,446.04
  6. Step 6: Final answer
    x = 20,265.27

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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.