Home / 23,459.89-35,169.23-12,191.51

Finding the Fourth Proportional to 23,459.89, 35,169.23 and 12,191.51

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Solution

The fourth proportional to 23,459.89, 35,169.23 and 12,191.51 is: 18,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.89 : 35,169.23 = 12,191.51 : x
  2. Step 2: Convert to fraction form
    23,459.89/35,169.23 = 12,191.51/x
  3. Step 3: Cross multiply
    23,459.89x = 35,169.23 × 12,191.51
  4. Step 4: Simplify right side
    23,459.89x = 428,766,051.92
  5. Step 5: Solve for x
    x = 428,766,051.92/23,459.89
  6. Step 6: Final answer
    x = 18,276.56

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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.