Home / 14,083.45-19,390.85-11,954.53

Finding the Fourth Proportional to 14,083.45, 19,390.85 and 11,954.53

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Solution

The fourth proportional to 14,083.45, 19,390.85 and 11,954.53 is: 16,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.45 : 19,390.85 = 11,954.53 : x
  2. Step 2: Convert to fraction form
    14,083.45/19,390.85 = 11,954.53/x
  3. Step 3: Cross multiply
    14,083.45x = 19,390.85 × 11,954.53
  4. Step 4: Simplify right side
    14,083.45x = 231,808,498.05
  5. Step 5: Solve for x
    x = 231,808,498.05/14,083.45
  6. Step 6: Final answer
    x = 16,459.64

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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.