Home / 23,187.15-34,749.96-12,630.09

Finding the Fourth Proportional to 23,187.15, 34,749.96 and 12,630.09

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Solution

The fourth proportional to 23,187.15, 34,749.96 and 12,630.09 is: 18,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.15 : 34,749.96 = 12,630.09 : x
  2. Step 2: Convert to fraction form
    23,187.15/34,749.96 = 12,630.09/x
  3. Step 3: Cross multiply
    23,187.15x = 34,749.96 × 12,630.09
  4. Step 4: Simplify right side
    23,187.15x = 438,895,122.30
  5. Step 5: Solve for x
    x = 438,895,122.30/23,187.15
  6. Step 6: Final answer
    x = 18,928.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.