Home / 14,983.99-20,679.30-11,200.58

Finding the Fourth Proportional to 14,983.99, 20,679.30 and 11,200.58

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Solution

The fourth proportional to 14,983.99, 20,679.30 and 11,200.58 is: 15,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.99 : 20,679.30 = 11,200.58 : x
  2. Step 2: Convert to fraction form
    14,983.99/20,679.30 = 11,200.58/x
  3. Step 3: Cross multiply
    14,983.99x = 20,679.30 × 11,200.58
  4. Step 4: Simplify right side
    14,983.99x = 231,620,128.14
  5. Step 5: Solve for x
    x = 231,620,128.14/14,983.99
  6. Step 6: Final answer
    x = 15,457.84

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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.