Home / 16,910.12-23,335.74-9,355.88

Finding the Fourth Proportional to 16,910.12, 23,335.74 and 9,355.88

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Solution

The fourth proportional to 16,910.12, 23,335.74 and 9,355.88 is: 12,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.12 : 23,335.74 = 9,355.88 : x
  2. Step 2: Convert to fraction form
    16,910.12/23,335.74 = 9,355.88/x
  3. Step 3: Cross multiply
    16,910.12x = 23,335.74 × 9,355.88
  4. Step 4: Simplify right side
    16,910.12x = 218,326,266.47
  5. Step 5: Solve for x
    x = 218,326,266.47/16,910.12
  6. Step 6: Final answer
    x = 12,910.99

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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.