Home / 18,299.64-27,449.33-5,151.93

Finding the Fourth Proportional to 18,299.64, 27,449.33 and 5,151.93

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Solution

The fourth proportional to 18,299.64, 27,449.33 and 5,151.93 is: 7,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.64 : 27,449.33 = 5,151.93 : x
  2. Step 2: Convert to fraction form
    18,299.64/27,449.33 = 5,151.93/x
  3. Step 3: Cross multiply
    18,299.64x = 27,449.33 × 5,151.93
  4. Step 4: Simplify right side
    18,299.64x = 141,417,000.95
  5. Step 5: Solve for x
    x = 141,417,000.95/18,299.64
  6. Step 6: Final answer
    x = 7,727.86

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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.