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Finding the Fourth Proportional to 14,757.41, 20,347.50 and 12,058.66

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Solution

The fourth proportional to 14,757.41, 20,347.50 and 12,058.66 is: 16,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.41 : 20,347.50 = 12,058.66 : x
  2. Step 2: Convert to fraction form
    14,757.41/20,347.50 = 12,058.66/x
  3. Step 3: Cross multiply
    14,757.41x = 20,347.50 × 12,058.66
  4. Step 4: Simplify right side
    14,757.41x = 245,363,584.35
  5. Step 5: Solve for x
    x = 245,363,584.35/14,757.41
  6. Step 6: Final answer
    x = 16,626.47

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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.