Home / 18,146.55-27,219.06-5,666.48

Finding the Fourth Proportional to 18,146.55, 27,219.06 and 5,666.48

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Solution

The fourth proportional to 18,146.55, 27,219.06 and 5,666.48 is: 8,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.55 : 27,219.06 = 5,666.48 : x
  2. Step 2: Convert to fraction form
    18,146.55/27,219.06 = 5,666.48/x
  3. Step 3: Cross multiply
    18,146.55x = 27,219.06 × 5,666.48
  4. Step 4: Simplify right side
    18,146.55x = 154,236,123.01
  5. Step 5: Solve for x
    x = 154,236,123.01/18,146.55
  6. Step 6: Final answer
    x = 8,499.47

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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.