Home / 15,924.81-23,892.21-12,426.76

Finding the Fourth Proportional to 15,924.81, 23,892.21 and 12,426.76

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Solution

The fourth proportional to 15,924.81, 23,892.21 and 12,426.76 is: 18,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.81 : 23,892.21 = 12,426.76 : x
  2. Step 2: Convert to fraction form
    15,924.81/23,892.21 = 12,426.76/x
  3. Step 3: Cross multiply
    15,924.81x = 23,892.21 × 12,426.76
  4. Step 4: Simplify right side
    15,924.81x = 296,902,759.54
  5. Step 5: Solve for x
    x = 296,902,759.54/15,924.81
  6. Step 6: Final answer
    x = 18,644.04

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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.