Home / 14,983.76-20,675.40-9,396.56

Finding the Fourth Proportional to 14,983.76, 20,675.40 and 9,396.56

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Solution

The fourth proportional to 14,983.76, 20,675.40 and 9,396.56 is: 12,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.76 : 20,675.40 = 9,396.56 : x
  2. Step 2: Convert to fraction form
    14,983.76/20,675.40 = 9,396.56/x
  3. Step 3: Cross multiply
    14,983.76x = 20,675.40 × 9,396.56
  4. Step 4: Simplify right side
    14,983.76x = 194,277,636.62
  5. Step 5: Solve for x
    x = 194,277,636.62/14,983.76
  6. Step 6: Final answer
    x = 12,965.88

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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.