Home / 16,720.96-23,066.76-14,067.40

Finding the Fourth Proportional to 16,720.96, 23,066.76 and 14,067.40

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Solution

The fourth proportional to 16,720.96, 23,066.76 and 14,067.40 is: 19,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.96 : 23,066.76 = 14,067.40 : x
  2. Step 2: Convert to fraction form
    16,720.96/23,066.76 = 14,067.40/x
  3. Step 3: Cross multiply
    16,720.96x = 23,066.76 × 14,067.40
  4. Step 4: Simplify right side
    16,720.96x = 324,489,339.62
  5. Step 5: Solve for x
    x = 324,489,339.62/16,720.96
  6. Step 6: Final answer
    x = 19,406.14

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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.