Home / 14,519.33-20,029.30-9,486.50

Finding the Fourth Proportional to 14,519.33, 20,029.30 and 9,486.50

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Solution

The fourth proportional to 14,519.33, 20,029.30 and 9,486.50 is: 13,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.33 : 20,029.30 = 9,486.50 : x
  2. Step 2: Convert to fraction form
    14,519.33/20,029.30 = 9,486.50/x
  3. Step 3: Cross multiply
    14,519.33x = 20,029.30 × 9,486.50
  4. Step 4: Simplify right side
    14,519.33x = 190,007,954.45
  5. Step 5: Solve for x
    x = 190,007,954.45/14,519.33
  6. Step 6: Final answer
    x = 13,086.55

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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.