Home / 18,029.55-27,045.68-4,881.71

Finding the Fourth Proportional to 18,029.55, 27,045.68 and 4,881.71

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Solution

The fourth proportional to 18,029.55, 27,045.68 and 4,881.71 is: 7,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.55 : 27,045.68 = 4,881.71 : x
  2. Step 2: Convert to fraction form
    18,029.55/27,045.68 = 4,881.71/x
  3. Step 3: Cross multiply
    18,029.55x = 27,045.68 × 4,881.71
  4. Step 4: Simplify right side
    18,029.55x = 132,029,006.88
  5. Step 5: Solve for x
    x = 132,029,006.88/18,029.55
  6. Step 6: Final answer
    x = 7,322.92

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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.