Home / 14,759.67-20,368.44-8,791.59

Finding the Fourth Proportional to 14,759.67, 20,368.44 and 8,791.59

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Solution

The fourth proportional to 14,759.67, 20,368.44 and 8,791.59 is: 12,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.67 : 20,368.44 = 8,791.59 : x
  2. Step 2: Convert to fraction form
    14,759.67/20,368.44 = 8,791.59/x
  3. Step 3: Cross multiply
    14,759.67x = 20,368.44 × 8,791.59
  4. Step 4: Simplify right side
    14,759.67x = 179,070,973.42
  5. Step 5: Solve for x
    x = 179,070,973.42/14,759.67
  6. Step 6: Final answer
    x = 12,132.45

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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.