Home / 18,143.24-27,210.72-4,996.76

Finding the Fourth Proportional to 18,143.24, 27,210.72 and 4,996.76

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Solution

The fourth proportional to 18,143.24, 27,210.72 and 4,996.76 is: 7,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.24 : 27,210.72 = 4,996.76 : x
  2. Step 2: Convert to fraction form
    18,143.24/27,210.72 = 4,996.76/x
  3. Step 3: Cross multiply
    18,143.24x = 27,210.72 × 4,996.76
  4. Step 4: Simplify right side
    18,143.24x = 135,965,437.27
  5. Step 5: Solve for x
    x = 135,965,437.27/18,143.24
  6. Step 6: Final answer
    x = 7,494.00

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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.