Home / 14,839.35-20,478.86-8,466.99

Finding the Fourth Proportional to 14,839.35, 20,478.86 and 8,466.99

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Solution

The fourth proportional to 14,839.35, 20,478.86 and 8,466.99 is: 11,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.35 : 20,478.86 = 8,466.99 : x
  2. Step 2: Convert to fraction form
    14,839.35/20,478.86 = 8,466.99/x
  3. Step 3: Cross multiply
    14,839.35x = 20,478.86 × 8,466.99
  4. Step 4: Simplify right side
    14,839.35x = 173,394,302.83
  5. Step 5: Solve for x
    x = 173,394,302.83/14,839.35
  6. Step 6: Final answer
    x = 11,684.76

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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.