Home / 14,796.90-20,425.38-9,132.57

Finding the Fourth Proportional to 14,796.90, 20,425.38 and 9,132.57

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Solution

The fourth proportional to 14,796.90, 20,425.38 and 9,132.57 is: 12,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.90 : 20,425.38 = 9,132.57 : x
  2. Step 2: Convert to fraction form
    14,796.90/20,425.38 = 9,132.57/x
  3. Step 3: Cross multiply
    14,796.90x = 20,425.38 × 9,132.57
  4. Step 4: Simplify right side
    14,796.90x = 186,536,212.63
  5. Step 5: Solve for x
    x = 186,536,212.63/14,796.90
  6. Step 6: Final answer
    x = 12,606.44

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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.