Home / 19,479.27-26,860.27-12,396.63

Finding the Fourth Proportional to 19,479.27, 26,860.27 and 12,396.63

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Solution

The fourth proportional to 19,479.27, 26,860.27 and 12,396.63 is: 17,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.27 : 26,860.27 = 12,396.63 : x
  2. Step 2: Convert to fraction form
    19,479.27/26,860.27 = 12,396.63/x
  3. Step 3: Cross multiply
    19,479.27x = 26,860.27 × 12,396.63
  4. Step 4: Simplify right side
    19,479.27x = 332,976,828.89
  5. Step 5: Solve for x
    x = 332,976,828.89/19,479.27
  6. Step 6: Final answer
    x = 17,093.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.