Home / 27,408-37,823.08-14,832.75

Finding the Fourth Proportional to 27,408, 37,823.08 and 14,832.75

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Solution

The fourth proportional to 27,408, 37,823.08 and 14,832.75 is: 20,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408 : 37,823.08 = 14,832.75 : x
  2. Step 2: Convert to fraction form
    27,408/37,823.08 = 14,832.75/x
  3. Step 3: Cross multiply
    27,408x = 37,823.08 × 14,832.75
  4. Step 4: Simplify right side
    27,408x = 561,020,289.87
  5. Step 5: Solve for x
    x = 561,020,289.87/27,408
  6. Step 6: Final answer
    x = 20,469.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.