Home / 18,371.21-27,558.63-5,888.09

Finding the Fourth Proportional to 18,371.21, 27,558.63 and 5,888.09

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Solution

The fourth proportional to 18,371.21, 27,558.63 and 5,888.09 is: 8,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.21 : 27,558.63 = 5,888.09 : x
  2. Step 2: Convert to fraction form
    18,371.21/27,558.63 = 5,888.09/x
  3. Step 3: Cross multiply
    18,371.21x = 27,558.63 × 5,888.09
  4. Step 4: Simplify right side
    18,371.21x = 162,267,762.61
  5. Step 5: Solve for x
    x = 162,267,762.61/18,371.21
  6. Step 6: Final answer
    x = 8,832.72

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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.