Home / 18,032.87-27,049.40-4,885.35

Finding the Fourth Proportional to 18,032.87, 27,049.40 and 4,885.35

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Solution

The fourth proportional to 18,032.87, 27,049.40 and 4,885.35 is: 7,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.87 : 27,049.40 = 4,885.35 : x
  2. Step 2: Convert to fraction form
    18,032.87/27,049.40 = 4,885.35/x
  3. Step 3: Cross multiply
    18,032.87x = 27,049.40 × 4,885.35
  4. Step 4: Simplify right side
    18,032.87x = 132,145,786.29
  5. Step 5: Solve for x
    x = 132,145,786.29/18,032.87
  6. Step 6: Final answer
    x = 7,328.05

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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.