Home / 18,364.55-27,530.42-6,669.57

Finding the Fourth Proportional to 18,364.55, 27,530.42 and 6,669.57

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Solution

The fourth proportional to 18,364.55, 27,530.42 and 6,669.57 is: 9,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.55 : 27,530.42 = 6,669.57 : x
  2. Step 2: Convert to fraction form
    18,364.55/27,530.42 = 6,669.57/x
  3. Step 3: Cross multiply
    18,364.55x = 27,530.42 × 6,669.57
  4. Step 4: Simplify right side
    18,364.55x = 183,616,029.97
  5. Step 5: Solve for x
    x = 183,616,029.97/18,364.55
  6. Step 6: Final answer
    x = 9,998.40

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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.