Home / 16,758.88-23,127.12-9,205.32

Finding the Fourth Proportional to 16,758.88, 23,127.12 and 9,205.32

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Solution

The fourth proportional to 16,758.88, 23,127.12 and 9,205.32 is: 12,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.88 : 23,127.12 = 9,205.32 : x
  2. Step 2: Convert to fraction form
    16,758.88/23,127.12 = 9,205.32/x
  3. Step 3: Cross multiply
    16,758.88x = 23,127.12 × 9,205.32
  4. Step 4: Simplify right side
    16,758.88x = 212,892,540.28
  5. Step 5: Solve for x
    x = 212,892,540.28/16,758.88
  6. Step 6: Final answer
    x = 12,703.27

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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.