Home / 16,742.30-23,104.31-9,188.75

Finding the Fourth Proportional to 16,742.30, 23,104.31 and 9,188.75

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Solution

The fourth proportional to 16,742.30, 23,104.31 and 9,188.75 is: 12,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.30 : 23,104.31 = 9,188.75 : x
  2. Step 2: Convert to fraction form
    16,742.30/23,104.31 = 9,188.75/x
  3. Step 3: Cross multiply
    16,742.30x = 23,104.31 × 9,188.75
  4. Step 4: Simplify right side
    16,742.30x = 212,299,740.33
  5. Step 5: Solve for x
    x = 212,299,740.33/16,742.30
  6. Step 6: Final answer
    x = 12,680.44

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Double scale
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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.