Home / 19,824.14-29,716.16-12,433.76

Finding the Fourth Proportional to 19,824.14, 29,716.16 and 12,433.76

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Solution

The fourth proportional to 19,824.14, 29,716.16 and 12,433.76 is: 18,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.14 : 29,716.16 = 12,433.76 : x
  2. Step 2: Convert to fraction form
    19,824.14/29,716.16 = 12,433.76/x
  3. Step 3: Cross multiply
    19,824.14x = 29,716.16 × 12,433.76
  4. Step 4: Simplify right side
    19,824.14x = 369,483,601.56
  5. Step 5: Solve for x
    x = 369,483,601.56/19,824.14
  6. Step 6: Final answer
    x = 18,638.06

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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.