Home / 14,577.42-20,116.61-8,117

Finding the Fourth Proportional to 14,577.42, 20,116.61 and 8,117

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Solution

The fourth proportional to 14,577.42, 20,116.61 and 8,117 is: 11,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.42 : 20,116.61 = 8,117 : x
  2. Step 2: Convert to fraction form
    14,577.42/20,116.61 = 8,117/x
  3. Step 3: Cross multiply
    14,577.42x = 20,116.61 × 8,117
  4. Step 4: Simplify right side
    14,577.42x = 163,286,523.37
  5. Step 5: Solve for x
    x = 163,286,523.37/14,577.42
  6. Step 6: Final answer
    x = 11,201.33

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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.