Home / 18,345.35-27,521.96-5,694.84

Finding the Fourth Proportional to 18,345.35, 27,521.96 and 5,694.84

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Solution

The fourth proportional to 18,345.35, 27,521.96 and 5,694.84 is: 8,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.35 : 27,521.96 = 5,694.84 : x
  2. Step 2: Convert to fraction form
    18,345.35/27,521.96 = 5,694.84/x
  3. Step 3: Cross multiply
    18,345.35x = 27,521.96 × 5,694.84
  4. Step 4: Simplify right side
    18,345.35x = 156,733,130.21
  5. Step 5: Solve for x
    x = 156,733,130.21/18,345.35
  6. Step 6: Final answer
    x = 8,543.48

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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.