Home / 18,684.45-28,026.75-5,536.92

Finding the Fourth Proportional to 18,684.45, 28,026.75 and 5,536.92

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Solution

The fourth proportional to 18,684.45, 28,026.75 and 5,536.92 is: 8,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.45 : 28,026.75 = 5,536.92 : x
  2. Step 2: Convert to fraction form
    18,684.45/28,026.75 = 5,536.92/x
  3. Step 3: Cross multiply
    18,684.45x = 28,026.75 × 5,536.92
  4. Step 4: Simplify right side
    18,684.45x = 155,181,872.61
  5. Step 5: Solve for x
    x = 155,181,872.61/18,684.45
  6. Step 6: Final answer
    x = 8,305.40

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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.