Home / 18,158.44-27,190.14-11,898.76

Finding the Fourth Proportional to 18,158.44, 27,190.14 and 11,898.76

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Solution

The fourth proportional to 18,158.44, 27,190.14 and 11,898.76 is: 17,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.44 : 27,190.14 = 11,898.76 : x
  2. Step 2: Convert to fraction form
    18,158.44/27,190.14 = 11,898.76/x
  3. Step 3: Cross multiply
    18,158.44x = 27,190.14 × 11,898.76
  4. Step 4: Simplify right side
    18,158.44x = 323,528,950.23
  5. Step 5: Solve for x
    x = 323,528,950.23/18,158.44
  6. Step 6: Final answer
    x = 17,817.00

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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.