Home / 14,759.90-20,394.60-11,800.16

Finding the Fourth Proportional to 14,759.90, 20,394.60 and 11,800.16

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Solution

The fourth proportional to 14,759.90, 20,394.60 and 11,800.16 is: 16,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.90 : 20,394.60 = 11,800.16 : x
  2. Step 2: Convert to fraction form
    14,759.90/20,394.60 = 11,800.16/x
  3. Step 3: Cross multiply
    14,759.90x = 20,394.60 × 11,800.16
  4. Step 4: Simplify right side
    14,759.90x = 240,659,543.14
  5. Step 5: Solve for x
    x = 240,659,543.14/14,759.90
  6. Step 6: Final answer
    x = 16,304.96

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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.