Home / 12,824.88-19,225.92-5,039.12

Finding the Fourth Proportional to 12,824.88, 19,225.92 and 5,039.12

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Solution

The fourth proportional to 12,824.88, 19,225.92 and 5,039.12 is: 7,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.88 : 19,225.92 = 5,039.12 : x
  2. Step 2: Convert to fraction form
    12,824.88/19,225.92 = 5,039.12/x
  3. Step 3: Cross multiply
    12,824.88x = 19,225.92 × 5,039.12
  4. Step 4: Simplify right side
    12,824.88x = 96,881,717.99
  5. Step 5: Solve for x
    x = 96,881,717.99/12,824.88
  6. Step 6: Final answer
    x = 7,554.20

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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.