Home / 14,540.34-20,065.62-8,166.06

Finding the Fourth Proportional to 14,540.34, 20,065.62 and 8,166.06

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Solution

The fourth proportional to 14,540.34, 20,065.62 and 8,166.06 is: 11,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.34 : 20,065.62 = 8,166.06 : x
  2. Step 2: Convert to fraction form
    14,540.34/20,065.62 = 8,166.06/x
  3. Step 3: Cross multiply
    14,540.34x = 20,065.62 × 8,166.06
  4. Step 4: Simplify right side
    14,540.34x = 163,857,056.86
  5. Step 5: Solve for x
    x = 163,857,056.86/14,540.34
  6. Step 6: Final answer
    x = 11,269.14

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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.