Home / 16,720.08-23,073.64-9,268.08

Finding the Fourth Proportional to 16,720.08, 23,073.64 and 9,268.08

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Solution

The fourth proportional to 16,720.08, 23,073.64 and 9,268.08 is: 12,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.08 : 23,073.64 = 9,268.08 : x
  2. Step 2: Convert to fraction form
    16,720.08/23,073.64 = 9,268.08/x
  3. Step 3: Cross multiply
    16,720.08x = 23,073.64 × 9,268.08
  4. Step 4: Simplify right side
    16,720.08x = 213,848,341.41
  5. Step 5: Solve for x
    x = 213,848,341.41/16,720.08
  6. Step 6: Final answer
    x = 12,789.91

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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.