Home / 14,638.09-20,200.59-8,264.96

Finding the Fourth Proportional to 14,638.09, 20,200.59 and 8,264.96

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Solution

The fourth proportional to 14,638.09, 20,200.59 and 8,264.96 is: 11,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.09 : 20,200.59 = 8,264.96 : x
  2. Step 2: Convert to fraction form
    14,638.09/20,200.59 = 8,264.96/x
  3. Step 3: Cross multiply
    14,638.09x = 20,200.59 × 8,264.96
  4. Step 4: Simplify right side
    14,638.09x = 166,957,099.89
  5. Step 5: Solve for x
    x = 166,957,099.89/14,638.09
  6. Step 6: Final answer
    x = 11,405.66

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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.